しまね産業振興財団 Product Lineup

Our company is a manufacturer of cutting processing using lathes and machining centers. We specialize in complex machining and case processing, particularly for diameters ranging from φ300 to 400. ■ Main Products Motor parts, reducer and transmission parts, machine tool parts, pump parts, molding roll parts ■ Major Business Partners Taiyo Shoji Co., Ltd., Hirata Corporation, OM Metal Industry Co., Ltd., Sakuragawa Pump Manufacturing Co., Ltd., Morimachinery Co., Ltd., Daiko Machinery Industry Co., Ltd.

Nakata Manufacturing's customers come from various industries and sectors, including semiconductors, automotive, medical, textiles, aerospace, and university research institutions. We manufacture around 10,000 types of specialized equipment, tools, spare parts, and prototypes used in these fields each year. Furthermore, we provide comprehensive support for our customers' production operations, including the design, assembly, and maintenance inspections of machinery! ■ Major Clients Izumo Murata Manufacturing Co., Ltd., Hirata Seiki Co., Ltd., Nisshin ProSOL Co., Ltd. Hikawa Factory, and 60 other companies.

【Mass Production Parts】 We can provide high-quality, short delivery time, and low-cost products through in-house production, from material procurement to machining, heat treatment, and grinding, using our self-developed production line. 【Prototype Parts】 We respond to high-quality, short delivery times for precision parts processing from a single prototype to small lot production. 【Equipment Manufacturing】 Utilizing the know-how cultivated in mass production parts manufacturing, we can provide consistent support from concept to design, manufacturing, and adjustment. ■ Main Products Vehicle parts, sewing machine parts, medical device parts, various dedicated processing machines, conveying equipment, design and manufacturing of automation and labor-saving equipment. ■ Major Business Partners Nisshin PREVO Co., Ltd. (Kyoto), Izumo Murata Manufacturing Co., Ltd. (Shimane), Nakamura Brace Co., Ltd. (Shimane), Miyawaki Machinery Plant Co., Ltd. (Hyogo).

We have a large lathe, machining centers, and measuring equipment, and we specialize in processing large workpieces made of castings. By utilizing unmanned operation with multi-face pallet machining centers and creating our own mounting jigs and special tools, we aim to improve efficiency and reduce costs. ■ Main Products Machine tool parts, printing machine parts, agricultural machinery parts, railway parts, ship parts ■ Major Business Partners DMG MORI Cast Tech Co., Ltd., Yonago Iron Works Co., Ltd., NTN Casting Co., Ltd., AM Industry Co., Ltd., OM Metal Co., Ltd., Seiwa G-Tech Co., Ltd., Daihatsu Metal Co., Ltd., Yanmar Cast Tech Co., Ltd.

We handle everything from material procurement to finished products. Machining, wire electrical discharge machining, and polishing processing. ■Main Products Industrial sewing machine parts, general industrial machine parts, jig and equipment parts. ■Major Clients JUKI Matsue Co., Ltd., Shimane Fujitsu Co., Ltd., Star Seiki Co., Ltd., Shimane Shimadzu Co., Ltd., and others.

With abundant facilities, we carry out machining, welding, and heat treatment consistently in-house, providing products that meet your satisfaction with high quality and short delivery times, even for small lots. ■Main Products Manufacturing and sales of rock drilling bits ■Main Business Partners Civil engineering machinery manufacturers, general contractors, civil engineering construction companies

Precision machining capable of handling geometric tolerances of 0.01 and dimensional tolerances of up to 5μm. We can also comprehensively handle large fabricated products such as dam piping, including painting. We have a track record of machining and welding products. We are capable of various unit piping for conveyor equipment manufacturing and installation, pump disassembly and assembly, sanitary, vacuum, and high-pressure piping. ■ Main Products 600 items of industrial robot parts, 1,600 items of pump parts, 80 items of medical machine parts. ■ Major Clients Yaskawa Electric Corporation, Sumitomo Heavy Industries Group, Tsurumi Manufacturing Co., Ltd., Sanwa Hydro-Tech Co., Ltd., Kyushu Torishima Co., Ltd. (Torishima Manufacturing Co., Ltd.).

Challenging high-difficulty requests are met with the latest equipment and everyone's wisdom, ensuring reliable products through various measuring instruments and comprehensive inspections for quality assurance. ■ Main Products Manufacturing of metal processing and electrical machinery parts ■ Major Business Partners Hoshizaki Corporation, JUKI Matsue Corporation, Star Seiki Co., Ltd., Hirado Manufacturing Co., Ltd., San Kei Giken Kogyo Co., Ltd., IHI Corporation, Hilltop Co., Ltd., Nisshin PREVO Co., Ltd., Nisshin ProSOL Hikawa Factory

We are challenging ourselves with the motto of high precision and stable supply. ■Main Products Hydraulic equipment, agricultural machinery, parts ■Major Business Partners Asano Gear Manufacturing Co., Ltd., Kikusui Forging Co., Ltd., Nohara Thermal Processing Co., Ltd., Yasui Co., Ltd., Yamamoto Seiko Co., Ltd.

We produce a variety of automotive products, including water pumps, engine parts, chassis components, and transmission parts. We provide excellent machining and assembly technology to companies around the world. ■ Main Products Engine parts (water outlet) Chassis parts (outer wheel, bracket) Suspension parts (linkage, ball joint) Transmission parts (shift fork, clutch) ■ Major Business Partners Mazda Corporation, NTN Corporation, Aichi Machine Industry Co., Ltd., THK Rhythm Co., Ltd., ZF Japan Co., Ltd., and others.

With over 200 processing machines, one of the largest holdings in Japan, we strive to realize items that are difficult to process by other companies, diligently acquiring technology every day to meet our customers' requests. We have strengths in medium to large-scale processing using large machining centers, gantry machining centers, simultaneous 5-axis processing machines, and multi-functional lathes, and our precision and quality are well-regarded in the industry. As a manufacturer specializing in resin processing, we can offer various proposals based on our deep knowledge in special cutting tools for processing, deep hole machining, and manual adhesive and welding work. Our highly skilled craftsmen provide advanced specialized techniques, so please feel free to consult with us. In October 2019, we obtained ISO 13485 certification, and since November 2021, our second factory in Shimane has also been in operation. ■ Main Products Resin cutting processing, resin bonding, resin welding, resin bending processing, secondary processing of molded products ■ Major Clients Approximately 1,000 companies in sectors such as semiconductors, medical devices, automotive, and food.

We have a track record of various cast parts such as FC, aluminum-based, and stainless steel-based components. All of these can be procured through our company. We also handle machined parts such as those produced by lathes, milling machines, and 5-axis machining. If you have any challenging projects, please feel free to consult with us. ■Main Products Automotive parts processing, construction machinery parts processing, aerospace-related parts, light sculpting, etc. ■Major Clients Koiwai Co., Ltd., Satake Co., Ltd., Imanishi Manufacturing Co., Ltd., Komatsu Metal Co., Ltd., etc.

Design and manufacture of cutting precision tools such as cutters, drills, and reamers, which are the foundation of manufacturing, as well as electric tools, environmental equipment, dedicated machines, and jigs for machine tools. A comprehensive manufacturer of cutting precision tools with a history of 90 years. We develop and manufacture products focused on quality and ease of use, ranging from precision tools primarily for the automotive, electrical products, and aerospace industries to general electric tools available at home improvement stores. ■ Main Products Electrical work tools, plant work tools, plumbing work tools, precision cutting tools, environmental equipment, dedicated machines, electrical machinery and devices, jigs for machine tools, measuring instruments, and mold manufacturing and design.

We are equipped with numerous facilities capable of handling large products and can also respond to the processing of difficult-to-cut materials. ■Main Products Screws for injection molding machines Containers for extrusion molding machines (tires, liners) Processing of various special steels

We specialize in small lot machining of materials such as aluminum, stainless steel, hardened products (HRC70), and super heat-resistant steel (Inconel), as well as Stellite and other difficult-to-machine materials that are challenging for NC machines. ■ Main Products Various precision machine parts processing, powder metallurgy, ceramic molds (processing) ■ Major Business Partners Moriya Blade Research Institute Co., Ltd., Nakasa Co., Ltd.

I believe that larger machined parts, such as shafts with a diameter of 70mm or more and lengths of 500mm or more, as well as discs with a diameter of 300mm or more, may pose issues regarding cost and delivery time. Our company owns relatively large machine tools and can respond flexibly, leveraging the characteristics of a small company. Additionally, we can carry out integrated production of components that involve both machining and welding in-house. We also collaborate with partner companies for other processes such as heat treatment and polishing. If requested, we can also propose value engineering (VE) solutions for mass production. ■ Main Products Agricultural machinery parts, construction machinery parts, general machinery parts ■ Major Clients Asano Gear Manufacturing Co., Ltd., Toyo Steel Co., Ltd., Bell Pony Co., Ltd., Nohara Thermal Treatment Works Co., Ltd., Shoda Co., Ltd., Tagawa Seiki Co., Ltd., Uegaki Metal Works Co., Ltd., Fujioka Co., Ltd., Nakasa Co., Ltd., Matsue Yamamoto Metal Co., Ltd., and others.

In addition to products using our in-house developed steel plate sprockets and steel plate split pulleys, we contribute to reducing our customers' manufacturing and management costs by delivering finished products that have undergone processes such as cutting, heat treatment, polishing, and plating. ■ Main Products - Steel plate sprockets and products using them - Steel plate split pulleys and products using them - Metal machining - Resin products using bearings - Assembly products using the above products ■ Major Business Partners Kubota Corporation, Ryono Factory Co., Ltd., Yushin Corporation, Saito Agricultural Machinery Manufacturing Co., Ltd., Oreck Corporation, Chikusui Canicom Co., Ltd., Daiwa Seiko Co., Ltd., Sasaki Corporation, Shizuoka Seiki Co., Ltd.

With care, accuracy, and speed, we provide products that delight our customers and heartfelt sincerity through our dedicated craftsmanship. ■ Main Products Semiconductor manufacturing equipment parts, aircraft parts, industrial robot parts, various equipment parts ■ Major Business Partners Moriya Knife Research Institute Co., Ltd., Chemical Fiber Nozzle Manufacturing Co., Ltd., Coretech Co., Ltd., JEL Co., Ltd., Takatsuki Electric Industry Co., Ltd.

We specialize in delicate composite processing with CNC multi-spindle moving type automatic lathes. Additionally, we are capable of diverse shaft processing using hobbing machines and rolling machines. We handle everything from material procurement to finished products including heat treatment and plating. ■Main Products Hydraulic gear shafts, shafts used in transmissions, precision shafts for measuring instrument manufacturers. ■Major Business Partners Yoshika Steel Co., Ltd., Asano Gear Manufacturing Co., Ltd., Shikoku Tsusho Co., Ltd., Aoyama Special Steel Co., Ltd.

- We process near-net shape materials such as lost wax and MIM, as well as complex-shaped products with high precision. - Using AM (Additive Manufacturing) technology, we provide precision cast products with short lead times and reduce costs as no molds are required. - We specialize in machining metal materials, particularly difficult-to-cut materials such as nickel, cobalt, and tungsten. ■ Main Products - Machining of lost wax and MIM products, and fabrication of processing jigs - Prototype support for powder sintering additive manufacturing (AM) products - Comprehensive support for machining, heat treatment, and surface treatment of metal materials (mainly special steel) ■ Major Business Partners Proterial, Inc., Proterial Precision, Inc., Izumo Machinery Co., Ltd., Takigen Manufacturing Co., Ltd., Umetoku Co., Ltd., Myochu Mining Co., Ltd., King Parts Co., Ltd., JUKI Aizu Co., Ltd., Nidac Precision Co., Ltd.

In addition to metal machining from small lots to mass production, we are also focusing on the development of magnesium alloys and accepting machining orders. ■Main Products Parts processing for motorcycles, hydraulics, construction machinery, agricultural machinery, industrial machinery; our own product: Top Button Trumpet ■Major Business Partners Kikusui Forging Co., Ltd., Atex Co., Ltd., Okano Manufacturing Co., Ltd., Yasui Co., Ltd., OM Metal Industry Co., Ltd., Hata Seiko Co., Ltd., Shimane Prefecture Ironworks Cooperative, and others.

1. High-precision machining of special steel using large-scale lathe processing (with 11 NC vertical lathes, the largest number in the San'in region) and 3D measurement (one of the largest in San'in). 2. Capable of polishing high-hardness shafts at 60HRC to a roundness of 0.002. 3. Enhanced quality assurance system to improve customer satisfaction through JISQ9100 certification. ■ Main Products Machined special steel products, large-scale lathe processed products, ejector pins for molds, core pins, hybrid core pins. ■ Major Business Partners Proterial Co., Ltd. Yasugi Factory and its affiliates, Mitsubishi Heavy Industries Compressor Corporation, Umetoku Co., Ltd., Koyama Steel Co., Ltd., Proterial Special Steel Co., Ltd., Toshiba Energy Systems & Solutions Corporation.

The Osaka headquarters specializes in the processing of thin stainless steel and aluminum, as well as shape processing, and has been involved in medical device components since its founding. Additionally, it focuses on prototyping and single-item processing (with crane support for sizes up to 2000×2800). The Shimane factory has numerous medium to small mass production machines for various metal materials, excelling in medium plate processing from single items and small machines for mass production or medium lots. It particularly specializes in drilling and cutting processing of iron and stainless steel plates (with crane support for sizes up to 940×2050). Accuracy varies with size, but it can achieve ±0.01, and with 5-axis machines available for shapes, most can be accommodated (subject to consultation). ■Main Products Machine device parts, medical device parts ■Main Business Partners Medical device manufacturers, sensor equipment manufacturers, electrical equipment manufacturers

We specialize in the processing of small-diameter machined parts with diameters ranging from φ1 to φ38 mm, and we respond flexibly and swiftly to customer requests regarding specifications, lot sizes, delivery times, and prices, which vary by product and industry. We can handle orders from one piece to hundreds of thousands flexibly. We own over 100 automatic lathes (made by Star Micronics), ranking among the top in western Japan. ■ Main Products Motor shafts for OA equipment, motor shafts for automotive applications, aircraft AV equipment parts, automotive exhaust system parts, and others. ■ Major Clients Nidec Corporation, Koyama Corporation, Minebea Mitsumi Inc., Goal Corporation, Hariki Seiko Co., Ltd., Proterial Special Steel Co., Ltd., Oriental Motor Co., Ltd.

We process precision small parts using NC multi-tasking lathes. In the polishing department, we have a complete range of equipment including surface grinders, rotary grinders, and cylindrical grinders, allowing us to handle everything from heat treatment to polishing. ■Main Products Precision machine parts (shafts), polished parts ■Major Clients Proterial Co., Ltd. and its affiliated companies, Proterial Precision Co., Ltd., Moriya Knife Research Institute, Ryonofactory Co., Ltd., Nakayama Seiko Co., Ltd.

For 70 years, together with high-grade special steel Yaskihagane, we have been delivering reliable products through the traditional skills of our founder, swordsmith Munemitsu Moriya, and the latest precision processing technology. In addition to special industrial blades, we continue to challenge new fields, ranging from aircraft and nuclear components to automotive parts, IC manufacturing equipment materials, and medical instrument components. ■ Main Products Medical components, nuclear components, hydraulic pump parts, aircraft and rocket parts, semiconductor manufacturing equipment parts, electronics-related components, automotive-related parts, dimensional inspection equipment, appearance image processing equipment, laminated cores, magnetic material components. ■ Major Business Partners Proterial Co., Ltd. Yasugi Plant, Proterial Special Steel Co., Ltd., Aoyama Special Steel Co., Ltd., Yamai Steel Co., Ltd., Umetoku Co., Ltd., Koyama Steel Co., Ltd., Hitachi High-Tech Corporation, Hitachi High-Tech America, Inc., Hitachi High-Tech Europe GmbH.

Utilizing advanced NC automatic lathes, we respond with high quality and short delivery times, handling everything from small quantities to mass production, and from material procurement to finished products, operating 24 hours a day. ■Main Products Automotive parts, industrial sewing machine parts, agricultural machinery parts, hydraulic components ■Major Clients 7 companies within the prefecture, 5 companies outside the prefecture

Having pursued manufacturing for over 70 years, we are able to flexibly respond to our customers' diverse needs and further enhance our proposals with added value. ■ Main Products Various gears, transmission gearboxes, automotive parts, various agricultural parts ■ Major Business Partners Kanzaki High Precision Machinery Co., Ltd. (Amagasaki), Kawasaki Heavy Industries, Ltd. (Akashi), Kawashima Agricultural Tools Co., Ltd. (Yonago), Mitsubishi Heavy Industries, Ltd. (Shimonoseki), Sumitomo Heavy Industries, Ltd. (Nagoya), Yanmar Co., Ltd. (Osaka), ShinMaywa Industries, Ltd. (Hiroshima, Kanagawa)

We handle everything from small items to mass-produced items, and we have confidence and a commitment to quality. ■Main Products Machining of mechanical parts ■Main Business Partners Asano Gear Manufacturing Co., Ltd., Sanyou Noushin Co., Ltd.

We are engaged in the production and supply of high-precision products, ranging from processing to assembly of pneumatic actuators for the valve industry, precision parts processing related to machine tools, and parts processing for beauty and grooming products. ■ Main Products Processing and assembly of pneumatic and hydraulic actuators for valves, machine tool parts processing, beauty and grooming parts processing, agricultural machinery parts processing and assembly, and other parts processing. ■ Major Business Partners Nihon Seisakusho Co., Ltd., Wako Co., Ltd., Nidec OKK Corporation, Nidec Daito Kiko Co., Ltd., Takara Belmont Corporation.

We specialize in machining parts for automatic production equipment and respond to customer requests with high-quality products. ■Main Products Machining and assembly of parts for automatic labor-saving machines ■Main Business Partners Estec Co., Ltd., Panasonic Electronic Devices Japan Co., Ltd., K-BOX Co., Ltd., Hoyo Shoji Co., Ltd.

Our company responds smoothly to customer requests by having specialized staff in each department, handling precision machining, can manufacturing, and on-site product installation. ■Main Products Machining, can manufacturing, stainless steel processing ■Major Business Partners Proterial Co., Ltd. Yasugi Factory, Proterial Co., Ltd. Yasugi Manufacturing, Proterial Co., Ltd. affiliated companies, Sanin Oxygen Industry Co., Ltd.

At Kubopla, we provide high-quality super engineering plastics, engineering plastics, and general-purpose plastics through various processing methods every day to ensure customer satisfaction. ■ Main Products Precision machined parts: Semiconductor manufacturing equipment parts, analytical instrument parts, LCD-related equipment parts, precision measuring instrument parts, medical device-related parts, etc. Testing and inspection jigs: We also handle experimental jigs for universities and research institutions.

Our company specializes in stainless steel machining. We have a production capacity of over 100 items and 100,000 units per month, primarily focusing on stainless steel lathe machining. All parts are managed and produced by veteran craftsmen with over 20 years of experience. Our approach to discussions with customers, cost reduction, and cost-down strategies is supported by stainless steel processing engineers with over 20 years of experience. The foundation of our technology lies in specialized knowledge and experience, while our pricing is backed by skill and sincerity. Consultations and estimates are free, so please feel free to contact us. ■ Main Products Various stainless steel parts, stainless steel fittings, stainless steel valves, automotive screw parts, pump parts ■ Major Clients Maruyama Manufacturing Co., Ltd., Rintatsu Co., Ltd., Nakasa Co., Ltd., Iwata Manufacturing Co., Ltd., Daiwa Parts Co., Ltd., Stainless Product Co., Ltd.

■Main Products Agricultural machinery parts, precision machinery parts ■Major Business Partners Kawashima Agricultural Tool Manufacturing Co., Ltd., Fukuteco Co., Ltd., NTN Casting Co., Ltd., Sumitomo Heavy Industries, Ltd., Alintec Co., Ltd., Sankyo Seiki Industry Co., Ltd., and others.

Our company specializes in machining mechanical parts, focusing on single items to mass-produced products, including lathe work, surface grinding, internal diameter grinding, and key processing. We strive daily to improve our technology and services to ensure customer satisfaction in terms of quality and delivery. ■Main Products Manufacturing and processing of mechanical parts for automobiles, heavy machinery for civil engineering and construction, and construction materials.

We specialize in precision machining and accept orders for small-sized items starting from one piece. With the skills of our specialists and extensive know-how, we contribute to enhancing the added value of products. ■ Main Products Electronic machine parts, medical device parts, machine tool parts, food machine parts, automatic machine parts, precision machining of measuring instrument parts and welded products. ■ Major Clients OM Metal Industry Co., Ltd., OM Machinery Co., Ltd., Seiwa G-Tech Co., Ltd., PACRAFT Co., Ltd., Toray Precision Co., Ltd., Panasonic Production Engineering Co., Ltd., Panasonic Corporation AIS Division, Nisshin ProSOL Hikawa Factory, Mitutoyo Corporation, Miyauchi Co., Ltd., Yamashina Seiki Co., Ltd.

We have introduced a 5-axis machining center. Additionally, we have three 4-axis machining centers with indexing. We are capable of processing complex shapes such as screws, splines, and cams. ■ Main Products Manufacturing of industrial sewing machine parts, office equipment, pump parts, medical devices, transmission parts, and food processing machine parts. ■ Major Business Partners JUKI Matsue Co., Ltd., Nakabayashi Factory Co., Ltd., Asano Gear Manufacturing Co., Ltd., Maruhachi Pump Manufacturing Co., Ltd., Sankyo Material Co., Ltd., Kyoha Industries Co., Ltd., Matsui Manufacturing Co., Ltd., Nagaki Seiki Co., Ltd., Star Seiki Co., Ltd., Sanwa Hydro Tech Co., Ltd., Castem Co., Ltd., Seiko Sewing Machine Co., Ltd.

Our strength is our adaptability! We can handle a wide range of items including round shapes, square shapes, complex geometries, materials, sizes, and precision. For aluminum products, we provide a comprehensive in-house service from machining to anodizing. Additionally, we have our headquarters in Aichi, a factory in Shimane, and a factory in Vietnam, ensuring we can meet production capacity effectively. ■Main Products Machining involving cutting and turning, anodizing ■Major Clients Various companies in sectors such as semiconductors, railways, robotics, and food.

We cast any complex shapes. If requested, we also carry out "machining" and "assembly," breathing new life into iron and establishing a system to supply it to our customers. ■Main Products Machine castings (for machine tools, industrial machinery, pumps), machining, assembly, and others. ■Major Business Partners Shinko Co., Ltd., Yasuda Industry Co., Ltd., Yanmar Cast Tech Co., Ltd.

There are separate processing and painting factories, so stock is adjusted according to the shipping timing. ■Main Products Construction hardware, various sign frames, can manufacturing for plants ■Major Business Partners Sanki Co., Ltd., Naito Iron Works Co., Ltd., Izumo Iron Works Co., Ltd., Fujiwara Iron Works Co., Ltd.

■Main Products Design, manufacturing, construction, and sales of equipment and devices related to environmental protection, water quality preservation, decarbonization, and energy conservation Design, manufacturing, construction, and sales of various machinery and plant equipment Manufacturing of various engineering management, casting metal frames, pallets, and other casting-related components ■Major Business Partners Yanmar Cast Tech Co., Ltd. OM Metal Industry Co., Ltd. Toyo Steel Co., Ltd. Izumo Nita Plant Tsubakimoto Bulk System Co., Ltd. Crea Environment Co., Ltd. Yamakawa Industries Co., Ltd. Kodama Co., Ltd.

We specialize in manufacturing cans and tanks made of iron, SUS, steel, copper, and thick plates. We also provide maintenance and on-site construction services. ■Main Products Various types of tanks including iron and SUS ■Main Business Partners 5 companies within the prefecture, 6 companies outside the prefecture

Large-scale fabricated products for plants, as well as various types of fabricated products. Design and manufacturing of jigs, trolleys, and lifting equipment. Design and manufacturing of various machinery. The main products are relatively large-sized fabricated products and jigs for plant equipment. The manufacturing sizes range from palm-sized to sizes that can be loaded onto trailers. The weight can go up to 10 tons. These products are manufactured using basic element technologies such as welding, cutting, bending, rolling, and unfolding, with a focus on welding techniques. ■ Main Products Design and manufacturing of industrial fabricated products and industrial machinery products. ■ Major Business Partners Chugoku Electric Power Co., Inc., Chuden Plant Co., Ltd., Hitachi Plant Construction Co., Ltd., Yonago Steel Co., Ltd., and five other companies.

We can plan, design, manufacture, and install various conveyors such as screw, belt, and chain conveyors, as well as associated structures like frames, stairs, and spiral staircases. ■ Main Products Steel structure construction, piping work, various conveyors, ready-mix concrete truck washing devices, dual-axis shear-type crushers. ■ Major Business Partners Tama Machinery Industry Co., Ltd., Sanko Co., Ltd., Nagaoka Iron Works Co., Ltd., Izumo Iron Works Co., Ltd., Japan Vehicle Manufacturing Co., Ltd., TVC Co., Ltd., Nakao Iron Works Co., Ltd.