三正工業 List of Products and Services

Would you like to join us in the challenge of a new industrial structure that does not rely on the automotive industry? Sansei Kogyo celebrated its 60th anniversary in 2017 and currently has partnerships with 150 companies. We are looking for excellent machining companies specializing in NC lathes, machining centers, and other cutting and grinding processes. Additionally, we are seeking new suppliers for various materials such as SUS304, SUS316, and SK materials. Why not aim for even higher precision manufacturing with us, as we continue to hone our skills while looking toward the future, beyond the achievements we have built so far? We look forward to your applications. 【Recruitment Items】 ■Machining Industry ■Metal Heat Treatment Industry ■Metal Surface Treatment Industry ■Materials *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract
• Surface treatment contract service

Would you like to join us in becoming part of a supply chain that focuses on new fields and new markets aimed at approaching a carbon-neutral society, while delving into "markets that are essential for society" as a fundamental response to the coming era? Additionally, would you like to participate in fields where you can utilize existing resources [people, materials (equipment), and funds] to respond without new investments or technologies, leveraging current skills while addressing the SDGs for a "sustainable society"? We are looking for companies involved in the semiconductor industry, food-related sectors, automation and labor-saving fields, hydrogen utilization for achieving carbon neutrality, infrastructure, and water-related sectors, as well as those engaged in the processing of internal components and functional parts for fluid control machines that drive pumps, valves, and motors. We also seek suppliers for necessary materials for functional products. Shall we take on the challenge of the new industrial structure that is about to emerge together? We look forward to your applications! *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract
• Surface treatment contract service

Sanjō Kōgyō provides a one-stop production service from parts machining to assembly, including the procurement of materials, grinding, heat treatment, and surface treatment, as well as sourcing resin and rubber products. With just one drawing, we can supply products in a one-stop manner. Not only do we eliminate the hassle for customers who find it troublesome to order multiple parts from different specialized vendors, but we also significantly reduce management workload, enabling an overall compression of manufacturing costs. 【Features】 ■ Integrated production from parts machining to assembly ■ One-stop service available with just one drawing ■ Significant reduction in management workload ■ Achieving overall compression of manufacturing costs *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing

At Sansei Industry, we engage in contract manufacturing of parts for relatively small hydraulic pump equipment, such as high-pressure washers and pesticide sprayers used in agriculture. We fully support stainless steel processing, plating, and polishing. With our polished technology honed through high-precision processing of hydraulic equipment parts, achieving accuracy within 1 to 5 microns is standard, allowing us to meet our customers' needs. 【Main parts for hydraulic pumps and valves (excerpt)】 ■ Shaft ■ Nipple ■ Bearing bush ■ Benza ■ Special bolts ■ Piston *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing
• Other pumps
• valve

At Sansei Industrial, we engage in contract manufacturing of components such as seal labyrinths necessary for vacuum pumps used in manufacturing equipment for LCD panels, which are in growing demand worldwide. We also manufacture components for vacuum equipment used in LCD panel manufacturing, artificial snow machines, and semiconductor manufacturing equipment. Furthermore, we will actively respond to the manufacturing of components for high-tech devices, such as robots, which will become more prevalent in various industries and require complex movements. 【Main components for pneumatic equipment (excerpt)】 ■ Seal labyrinth ■ Sleeve ■ BRG housing ■ Tie rod ■ Pin ■ Manifold *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing
• Semiconductor inspection/test equipment

At Sansei Industry, we undertake contract manufacturing of parts for pneumatic equipment, primarily for global manufacturers of pneumatic devices. We handle the production of components incorporated into pneumatic control devices, including those used in machine tools, automobile vending machines, and car wash machines. Additionally, we can supply a variety of parts tailored to our customers' needs. 【Main Parts for Pneumatic Equipment (Excerpt)】 ■ Movable Iron Core ■ Fixed Iron Core ■ Shaft ■ Rod ■ Magnetic Pole Piece ■ Cover *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing
• Other Auto Parts

At Sansei Industry, we manufacture parts for major equipment used in gasoline-related facilities. In addition to manufacturing individual parts, it is also common for us to handle the assembly of multiple parts, which is one of our distinguishing features. In recent years, there has been a notable increase in demand for exports, leading us to establish a production system that meets customer requirements such as large lot orders, complete delivery, and strict adherence to delivery dates, which differ from domestic needs. [Features] ■ Supply of parts for gasoline station-related equipment ■ Large lot orders, complete delivery, and strict adherence to delivery dates ■ Production system tailored to customer requirements *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing
• Weighing Machine

Hydraulic equipment is used in construction machinery, industrial machinery, agricultural machinery, transportation equipment, and various other machinery and equipment, making it an essential component. Our company provides contract processing for various parts incorporated into hydraulic equipment, regardless of size. Additionally, we have established a system that allows us to deliver everything consistently up to assembly. 【Features】 ■ No size limitations ■ Contract processing for various parts incorporated into hydraulic equipment ■ A system that allows for consistent delivery up to assembly *For more details, please refer to the external link page or feel free to contact us.

• Contract manufacturing
• Drive system parts

Sansei Kogyo Co., Ltd. manufactures hydraulic equipment parts, pneumatic equipment, vacuum equipment, and other important internal components that play a vital role in the industrial sector. Our company consistently introduces the best equipment through regular capital investment. Based on cutting processing, we can handle all processes necessary for metal parts processing, including various heat treatment processes, surface treatment processes, press processing, and grinding processing. In recent years, assembly operations have seen a dramatic increase in demand and are experiencing rapid growth. We not only assemble individual parts but also combine several components to play a significant role, creating added value through the assembly of standalone parts. For customers who find it cumbersome to order multiple parts separately, we offer a "one-stop service" that consolidates this hassle into one. We can deliver complete products with just one order form, covering everything from the manufacturing of individual parts to assembly, significantly reducing management workload and costs. Sansei Kogyo always stands in the customer's position, delivering satisfaction and trust as a reliable support behind the scenes. For more details, please contact us or download our catalog.

• Contract manufacturing