Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.
1～13 item / All 13 items
Maintaining high quality and continuous improvement of quality.
We respond to various orders, from single-character mold engraving processing, precision stamping, molding grinding processing, electrical discharge machining, and cutting processing using machining centers, to the processing of mold parts and even complete molds.
To a creative company of "manufacturing" and "human development."
Yoshinaka Seiko Co., Ltd. began research on precision parts manufacturing in 1985 and has been actively engaged in the design and production of small precision plastics since 1992, adapting to the trends of the times. As globalization progresses, we will strive for further technological development based on the trust and technical expertise we have cultivated so far, aiming to create new value and communicate this to the world. All employees are united in our desire to strengthen our corporate foundation. Furthermore, we aim to contribute to the industry through the development of new products and supply, and to society through human resource development, aspiring to be a creative company that embodies both "things" and "spirit." 【Business Activities】 - Mold design, mold parts processing, assembly, prototype molding - Maintenance management after mass production begins For more details, please contact us or download the catalog.
Precision below 5μ! Examples of production using various machine tools [Mold component inserts]
We would like to introduce a case where we processed mold components. We accommodate various types of MC machining, grinding machines, and electrical discharge machining, finishing with an accuracy of less than 5μ. We can source materials domestically or internationally according to your delivery time, accuracy, and budget. 【Case Overview】 ■ Delivery Time: 2 weeks of actual work ■ Processing Details: MC machining, grinding machines, wire electrical discharge machines, electrical discharge machines, lathe machining ■ Product Specifications: Accuracy of less than 5μ Inspections can also be performed using optical microscopes and three-dimensional measuring machines. *For more details, please refer to the PDF document or feel free to contact us.
![[50th Anniversary Campaign] All mold design, manufacturing, and parts processing are included!](https://image.mono.ipros.com/public/product/image/2e9/2000815079/IPROS37925551749812453823.png?w=280&h=280)
<Up to 10,000 yen Amazon gift present> All new orders, including custom mold bases, molds, and parts processing, are eligible.
Our company specializes in the production of custom mold bases, mold design and manufacturing, sales of various steel materials, processing of non-ferrous metals, and the production of automatic machine and equipment parts. Thanks to your support, we are celebrating our 50th anniversary this year and have decided to launch a campaign aimed at further expanding our sales. All services we offer are eligible for the campaign. If you are looking for a new processing partner, please feel free to contact us. 【Main Business Activities】 - Various mold bases (plastic, die-cast, press, etc.) and precision machining - Production of automatic machine and equipment parts - Various plate processing, lathe processing, electrical discharge and wire processing - Manufacturing of various mold components - Six-sided grinding and machining - Water holes, heater holes, and gun drilling processing - Heat treatment, surface treatment, painting, and welding processing of various steel types - Sale of ES chucks 【50th Anniversary Campaign Overview】 Eligibility: New customers who place an order after inquiring through Ipros (first 50 applicants) Details: Order amount of 100,000 yen or more → Amazon gift card of 3,000 yen Order amount of 500,000 yen or more → Amazon gift card of 10,000 yen *For more details, please contact us. *You can view our company information by downloading the PDF from "Company Information."
![[50th Anniversary Campaign] All mold design, manufacturing, and parts processing are included!!](https://image.mono.ipros.com/public/product/image/9c6/2000849950/IPROS54749996469658029727.png?w=280&h=280)
<Up to 10,000 yen Amazon gift present> All new orders for custom mold bases, molds, and equipment parts will be eligible.
Our company specializes in the production of custom mold bases, mold design and manufacturing, sales of various steel materials, processing of non-ferrous metals, and the production of automatic machine and equipment parts. Thanks to your support, we are celebrating our 50th anniversary this year and have decided to launch a campaign aimed at further expanding our sales. All services we offer are eligible for the campaign. If you are looking for a new processing partner, please feel free to contact us. 【Main Business Activities】 - Various mold bases (plastic, die-cast, press, etc.) and precision machining - Production of automatic machine and equipment parts - Various plate processing, lathe processing, electrical discharge and wire processing - Manufacturing of various mold components - Six-sided grinding and insert processing - Water hole, heater hole, and gun drill processing - Heat treatment, surface treatment, painting, and welding processing of various steel types - Sales of ES chucks 【50th Anniversary Campaign Overview】 Eligibility: New customers who place an order after inquiring through Ipros (first 50 applicants) Details: Order amount of 100,000 yen or more → Amazon gift card of 3,000 yen Order amount of 500,000 yen or more → Amazon gift card of 10,000 yen *For more details, please contact us. *You can view our company brochure by downloading the PDF from our website!
We are committed to quality and service, adhere to deadlines, and provide our customers with the best products.
Our company is equipped with various processing facilities such as electrical discharge machining, grinding, wire cutting, and machining. We handle requests for the processing of special precision parts tailored to our customers using materials such as aluminum, copper, steel, stainless steel, iron, and resin.
![[Service Introduction] Integrated Manufacturing of Parts Processing](https://image.mono.ipros.com/public/product/image/c9d/2000735091/IPROS20235355336564709471.png?w=280&h=280)
200 partner companies in the Sanjo area! We are playing a part in reducing the workload of procurement personnel.
The base of operations, Tsubame City in Niigata Prefecture, along with the neighboring Sanjo City, is one of the leading manufacturing regions in Japan. One of its characteristics is the strong horizontal connections among companies, regardless of industry, allowing for collaboration on business and technical consultations and information gathering. For example, we not only procure molds but also handle subsequent processes such as press processing, cleaning, and surface treatment all in-house, collaborating with a diverse range of high-quality manufacturers within the Tsubame-Sanjo area. We are also actively engaged in orders for integrated parts processing, contributing to the reduction of workload for procurement personnel. 【Features】 ■ Comprehensive support from material procurement to processing ■ 200 partner companies in the Tsubame-Sanjo area ■ Custom parts available *For more details, please refer to the PDF document or feel free to contact us.
Soltec Co., Ltd. for Mold Parts and Industrial Engraving
At Soltech Co., Ltd., we leverage the precision machining technology and delicate sensibility cultivated through industrial engraving to engage in integrated processing of mold components, from machining to assembly. Our processing technology, which combines cutting-edge equipment with skilled craftsmanship, responds to various customer requests. We handle a wide range of orders, from engraving mold characters with cavity numbers to precision stamping, molding and grinding processing, electrical discharge machining, and cutting processing using machining centers, as well as complete mold sets. [Business Activities] ■ General industrial engraving (precision stamping, mold engraving, etc.) and manufacturing of mold components and molds ■ Planning, production, and sales of our own products (character goods, plastic models), among others For more details, please refer to our catalog or feel free to contact us.
![Custom Products for Plastic Molds [Molding and Polishing Processing]](https://image.mono.ipros.com/public/product/image/cc6/2000544747/IPROS55037285667084218671.jpeg?w=280&h=280)
In-house integrated production system! We respond flexibly and with high precision to materials and shapes! By adding creativity and ingenuity to our information-gathering capabilities, we will turn your requests into reality.
We would like to introduce our custom products for plastic molds. We cater to high-precision mold components such as tapered screws, multi-thread screws (6 threads), and R-shaped screw bottoms. The screw shapes of core pins are finished through grinding. Additionally, we process high-precision components related to miniaturized connectors with micron tolerances. If you provide CAD data for the 3D shapes of pin tips, we can accommodate production. Even if you have no prior usage experience, please feel free to consult us. 【Features】 ■ Screw grinding processing - Supports high-precision mold components ■ Molding and polishing processing - Processes high-precision components related to miniaturized connectors with micron tolerances ■ Production possible with provided CAD data ■ Capable of handling various materials *For more details, please refer to the PDF materials or feel free to contact us.
![[Recruiting Partner Companies] We are actively seeking partner companies for processing and manufacturing!](https://image.mono.ipros.com/public/product/image/0a5/2000652157/IPROS40685578923301581797.jpeg?w=280&h=280)
If you believe you are the one as a partner company, please contact us through the inquiry form!
【Recruitment Details】 - Mold base processing - Mold design and manufacturing - Parts processing We will contact you, so please be sure to include your contact information and email address. You may also reach us by phone (TEL. 048-284-4711). We look forward to your inquiries.
![[Case Study of Parts Processing] Mold Components](https://image.mono.ipros.com/public/product/image/075/2000690405/IPROS70224911344680194863.png?w=280&h=280)
Precision of 5μ or less! Examples of various processes such as MC machining, lathe machining, grinding, and wire electrical discharge machining.
We would like to introduce a case where we processed mold components. Generally, the delivery time is 2 weeks of actual work. (For urgent requests, please consult us separately.) We accommodate various types of processing such as MC machining, lathe machining, grinding, and wire electrical discharge machining, finishing with a precision of less than 5μ. 【Case Overview】 ■ Delivery Time: 2 weeks of actual work ■ Processing Details: Various types including MC machining, lathe machining, grinding, and wire electrical discharge machining ■ Surface Treatment: In addition to heat treatment, we can handle various types such as hard chrome and anodizing ■ Product Specifications: Precision of less than 5μ *For more details, please refer to the PDF document or feel free to contact us.
Introducing a case with a size of Φ140×50L processed with electroless nickel plating in A2017!
We would like to introduce a case study of our processing of various types and small quantities of manufacturing equipment parts, such as semiconductors. The "manufacturing equipment part (small quantity)" is made of A2017 with a size of Φ140×50L. The processing features include general-purpose lathes, machining centers, and electroless nickel plating. At Inada Manufacturing, we consistently handle the completion of parts using automatic lathe processing, lathe processing, machining center processing, wire cutting, and more. Please feel free to contact us when you need assistance. 【Processing Case】 ■ Manufacturing Equipment Part (Small Quantity) ■ Material: A2017 ■ Size: Φ140×50L ■ Processing Features: General-purpose lathe, machining center, electroless nickel plating *For more details, please refer to the PDF document or feel free to contact us.
![Comprehensive support for all processes realized with 3D data [CAD]](https://image.mono.ipros.com/public/product/image/aee/2001537571/IPROS13901921433267455630.png?w=280&h=280)
We support the entire process with only 3D data.
At our company, we support the entire process from design ➡ processing ➡ assembly ➡ inspection based on the 3D data provided. For example, when manufacturing complex products like jigs that consist of many components, if the design and manufacturing companies are separate, it can lead to issues such as: - Instability in quality - Increased costs - Longer lead times On the other hand, since we perform processing and assembly in a single operation, there is no such risk, and we can keep management costs low. - If you want to reduce costs and lead times - If you want to solve problems and challenges through customer-oriented proposals - If you want to deliver stable quality Please leave these concerns to Riverhead Metal Processing. *For more details, please download the PDF or feel free to contact us.
