Product Categories
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Concerns about rubber materials: deteriorates quickly, lacks physical properties, wants to prototype.
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Concerns about rubber molding processing: wanting to change strength, wanting to request from design, short delivery time.
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Procurement issues: business closure, mold transfer, labor shortage response, delivery delays, BCP (Business Continuity Planning)
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Concerns about rubber molds: Want to eliminate burrs, restore them, and improve precision.
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Concerns about rubber prototyping: no need for molds, large items, confirmation of mass production capability, design requests, small-scale production.
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Case studies of problem-solving
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Rubber products: Characteristics of rubber, types of rubber, methods of prototyping, troubleshooting.
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Case studies
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Mass production end mold all-in-one service
Featured products
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For those troubled with rubber products: A must-see for product development, production management, and sales professionals!
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A large order has resulted in backlog. Contributing to stabilizing delivery times and quality through mold transfer!
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I want to create a prototype that allows me to understand both the shape and mass production capabilities. Let's prototype with a small amount of material and molding!
Products/Services(82items)
news list
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For those struggling with rubber products over 1 meter in size from both hands, we will be exhibiting at the Technical Show Yokohama 2025 from February 5 to February 7.
For those struggling with rubber products over 1 meter in size made by both hands We will be exhibiting at "Technical Show Yokohama 2025" from February 5 (Wednesday) to February 7 (Friday). 【Details】 Location: Pacifico Yokohama Exhibition Hall (1-1-1 Minatomirai, Nishi Ward, Yokohama) Booth Number: I28 1. I want to create rubber products over 1 meter in size but don't know where to produce them! ⇒ We have machines and extensive experience in producing rubber products over 1 meter in size! 2. I want to use satisfactory rubber products but don't understand rubber well! ⇒ We provide comprehensive support from prototype to mass production! We will handle everything from appropriate material selection to prototyping and mass production according to your application and requirements. We can also conduct suitability assessments of the rubber materials currently in use, formulation design, and material prototype mixing. You can leave material development to us. We also support prototyping of single items without the need for molds. 3. Facing procurement crises due to business closures or labor shortages... I want you to produce instead! ⇒ Stable supply even with mold transfer from other companies! Molds used by other companies can be transferred as they are. We ensure stable supply while maintaining quality and delivery times. We also handle spot projects, with examples of startup in as little as one week.
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I want to create rubber products that exceed 1 meter. We solve this with integrated production from material procurement to molding! By reducing the number of parts from 2 to 1, we contribute to more efficient procurement.
■Specific Concerns "I wonder if we can create large rubber products over 1 meter..." "We have been procuring them in two parts due to the moldable size, but we want to consolidate them into one." ■Cause There are few manufacturers capable of producing rubber products over 1 meter. ■Solution Molding with a machine that can handle sizes up to 1800×900 mm. Molding with a machine that can handle sizes up to 1500×1300 mm. Providing consistent support from mold design and material selection to mass production. ■Effect Consolidating parts that were previously procured in two parts due to moldable size into one. Contributing to the reduction of total procurement costs. *For more details, please download the materials or feel free to contact us.*
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I want to create large circular rubber products with a diameter of Φ300 to Φ500. Stable production with a large molding machine will enable the realization of parts that could not be made due to size, contributing to the development of new products.
■Specific Concerns "I want to create rubber products with a diameter of Φ300 to Φ500. There are no rubber manufacturers that can accommodate this size..." "If we could make rubber parts in this size, we could develop new products..." ■Cause There are few rubber molding manufacturers that can produce rubber products of this size. ■Solution Molding with a molding machine that can accommodate sizes up to 800×800. Comprehensive support from mold design and material selection to mass production. ■Effect Stabilization of procurement for rubber parts that were previously abandoned due to size. Contributing to the expansion of the product lineup through the development of new products. ■Customer Feedback "It was a great help for us, who have no expertise in rubber, to have everything done from material selection to mass production startup." "Product development had not progressed due to size constraints until now, but it seems we can expand our product lineup." *For more details, please download the materials or feel free to contact us.*
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I want to develop rubber products, but... Here are all the case studies that solve problems related to the development and prototyping of rubber products! Examples of reducing labor by 80% and suggestions for alternatives, etc.
For those struggling with the development and prototyping of rubber products! We will provide a booklet that presents case studies solving common issues in the development and prototyping of rubber products. 【Table of Contents】 No.1 I only want one prototype No.2 I want to reduce development man-hours No.3 I want an alternative product No.4 I want to prototype a large rubber product No.5 I want to prototype a complex rubber product *For more details, please download the materials or feel free to contact us.
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The cooperative factory we relied on suddenly went out of business... Transferred the molds for large rubber products over 10 kg, contributing to stable procurement!
■Specific Concerns "I relied on a partner factory that suddenly went out of business..." "I need someone to produce large rubber products over 10kg, which don't sell very well." ■Solution Mold transfer ■Customer Feedback "I was troubled by the sudden closure, but the transfer went smoothly, which was a relief." "I was able to establish an environment for stable procurement, reducing the burden of supply chain management." *For more details, please download the materials or feel free to contact us.*

About信栄ゴム工業
For those struggling with rubber products over 1 meter in size from both hands, please consult us for rubber molding, rubber molds, rubber materials, rubber product development, and mold transfer!
Do you have any concerns regarding rubber products? Shin-Ei Rubber Industry, established in 1947, will solve your problems! 1. I want to create rubber products ranging from hand-sized to over 1 meter, but I don't know where to produce them... ⇒ We have the machinery and extensive experience to produce rubber products from hand-sized to over 1 meter! With over 75 years of experience and a proven track record of continuously producing rubber products around 1 meter in size, we can provide rubber products from hand-sized to over 1 meter with overwhelming speed. 2. I want to use satisfactory rubber products, but I don't understand rubber well... ⇒ We provide comprehensive support from prototyping to mass production! We handle everything from appropriate material selection to prototyping and mass production according to the intended use and required standards. We can also assess the suitability of the rubber materials currently in use, design formulations, and conduct material prototyping. You can leave material development to us. We also support prototyping of one-off items without the need for molds. 3. There is a procurement crisis due to business closures and labor shortages... I want you to produce instead... ⇒ Stable supply even with mold transfer from other companies! We can accept mold transfers from other companies as they are. We ensure stable supply while maintaining quality and delivery times. We also handle spot projects, with examples of startup in as little as one week, valuing speed.