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  1. Home
  2. Manufacturing and processing contract
  3. 中越製作所
Manufacturing and processing contract
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中越製作所

EstablishmentNovember 1, 1971
capital1000Ten thousand
number of employees12
addressTokyo/Edogawa-ku/4-6-20 Nishi Ichinokawa
phone03-3656-1727
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last updated:Apr 13, 2026
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  • Products/Services(28)
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中越製作所 Company Overview

Got a Design SOS? We are the 3D Blow Mold Experts Solving Your Complex Hollow Plastic Challenges.

Your Consultative Partner for 3D Blow Molds—From Concept to Reality Based in Edogawa, Tokyo, Chuetsu Seisakusho Co., Ltd. is here to solve your engineering challenges. Whether you're wondering, "Can this complex hollow shape be made of plastic?" or "How can we replace metal parts with plastic to reduce weight?", we have the answers. 3 Reasons to Choose Chuetsu Seisakusho: 1. Unrivaled 3D Blow Molding Technology From complex automotive air ducts to daily-use bottles, we design and manufacture molds that directly contribute to your product's weight reduction and cost savings. 2. Upstream Proposals to Prevent Defects We don't just build exactly what is on the drawing. We offer professional VA/VE (Value Analysis/Value Engineering) proposals to optimize your product's shape and prevent mass-production issues, such as suggesting design tweaks to avoid wall thinning. 3. Crystal-Clear Explanations Powered by AI Mold engineering can be highly technical, but we make it easy to understand. Utilizing the latest AI tools, we provide visual and intuitive explanations of complex mold structures and molding processes. We welcome your inquiries, even if you only have a rough sketch or an early-stage idea. Let's make it happen together. Contact us today!

Business Activities

[Business Details] Design and manufacturing of plastic molds, specializing in 3D blow molding, alongside Value Analysis/Value Engineering (VA/VE) proposals for product optimization. ■ Main Services & Capabilities 1. Design & Manufacturing of Complex 3D Blow Molds We excel at creating molds for complex 3D hollow structures, including automotive air ducts and various fluid tanks. We deliver highly accurate solutions for your "metal-to-plastic conversion" and "weight reduction" needs. 2. Design & Manufacturing of Direct Blow Molds We cater to a wide range of products, including daily necessities, cosmetics packaging, and industrial parts. We implement highly efficient cooling designs specifically engineered to minimize cycle times during mass production. 3. Upstream "Manufacturing Consulting" We can partner with you from the initial concept phase, even before drawings are finalized. To prevent common molding defects such as uneven wall thickness or sink marks, we provide expert VA/VE proposals on optimal parting lines and product geometry. 4. Crystal-Clear Technical Support Powered by the Latest AI For clients who may not be familiar with mold engineering, we offer peace of mind. By leveraging cutting-edge AI tools (such as NotebookLM), we provide highly visual and intuitive explanations of complex mold structures and molding processes.

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Products/Services (28)

Cost reduction and weight reduction: Proposal for blow molding using different materials and methods. product image
Cost reduction and weight reduction: Proposal for blow molding using different materials and methods.
Design and development services for simple treatment tools product image
Design and development services for simple treatment tools
Integrated service from mold design and manufacturing to blow molding. product image
Integrated service from mold design and manufacturing to blow molding.
Blow mold transfer service tailored to molding machines. product image
Blow mold transfer service tailored to molding machines.

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catalog(4)

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If you're unsure, start with this book! The first guide to blow molding that you can understand from zero.

If you're unsure, start with this book! The first guide to blow molding that you can understand from zero.

TECHNICAL
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Solutions from mold design for blow molding defects.

Solutions from mold design for blow molding defects.

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Complete Guide to Blow Molding: Achieving Lightweight Parts and Cost Reduction

Complete Guide to Blow Molding: Achieving Lightweight Parts and Cost Reduction

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Chuoetsu Manufacturing Co., Ltd. Company Profile

Chuoetsu Manufacturing Co., Ltd. Company Profile

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news(2)

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[Opening on July 1] Exhibiting at the Mechanical Elements Technology Exhibition! "AI × Traditional Craftsmanship" Solving 3D Blow Molding Issues - Free Consultation Session

  • SEMINAR_EVENT

We are Nakakoshi Seisakusho, a 3D blow mold manufacturer located in Edogawa Ward, Tokyo. We will be exhibiting at the "Mechanical Elements Technology Exhibition" starting from July 1st! On the day of the event, we will not only showcase samples of molds that achieve complex hollow shapes but also offer free consultations at our booth for design and development inquiries, such as "Can this shape be made with resin?" and "I want to lighten it by converting from metal to resin" (rough sketches are also welcome). Additionally, we plan to conduct a demonstration of the world's easiest-to-understand blow molding explanation utilizing the trending "AI (such as NotebookLM)"! As a "Manufacturing Consultant," we will directly provide VA/VE proposals to help solve your challenges. Please feel free to stop by our booth.

Apr 13, 2026

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[Free Web Seminar / Available Anytime] Latest AI Explains in 5 Minutes! Basic Course on "Blow Molding" for Designers

  • SEMINAR_EVENT

"What is blow molding technology?" "What shapes can be created?" We are currently offering a free on-demand webinar (video) where the latest AI (NotebookLM) explains these questions in an easy-to-understand manner. By minimizing complex technical jargon, you can quickly learn in about 5 minutes, from the "principle of inflating a balloon" to its application in actual automotive parts and everyday items. - For those who are getting involved in the design of plastic products for the first time - For those considering the resinization (lightweighting) of metal parts - For those interested in how the latest AI explains manufacturing If you fit any of the above categories, please feel free to watch at your convenience! (*You can watch it immediately via the YouTube link.)

Apr 13, 2026

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Detailed information

Company name 中越製作所
number of employees12
Contact addresspostalcode 132-0023 Tokyo/ Edogawa-ku/ 4-6-20 Nishi IchinokawaView on map TEL:03-3656-1727 FAX:03-3654-1255
Key PartnersExcel Manufacturing Co., Ltd., Japan Vinylon Co., Ltd., Aitec Co., Ltd., Daimaru Industrial Co., Ltd., FA Molding Co., Ltd., YOSHIMI Co., Ltd., Maruchu Co., Ltd., Soshin Industrial Co., Ltd., Ryoke Co., Ltd.
Industry Manufacturing and processing contract
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