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Chuobane Co., Ltd. specializes in manufacturing springs using color wire (resin-coated materials). In the accompanying image, you can see our "resin-coated springs (red)" alternating with standard "SUS springs" on display. We are pleased to announce the completion of our red color springs. These springs are designed for use in ballpoint pen click mechanisms. Imagine how charming a transparent ballpoint pen would look with a red spring inside! At Chuobane Co., Ltd., our color wire springs are made by applying a resin coating to spring materials such as SUS (stainless steel) or SWP (steel wire piano). We offer a wide range of color options, so please don't hesitate to inquire about your specific needs. Our resin-coated springs provide the same level of performance as SUS materials while offering additional benefits such as chemical resistance. Developing this resin-coated material to perfection required numerous trials and errors. We're proud to have finally achieved the desired result. If you have any concerns about springs, please feel free to contact Chuobane Co., Ltd. We're here to help! 【Additional Information】 Video content available on our website and social media platforms. Website: https://www.chuobane.co.jp/ 【Contact】 Chuobane Co., Ltd. 1116-29,Takada,Kashiwa-shi,Chiba,Japan
| Main 3 products | Precision spring processing Φ0.03‐3.0mm Square wire/trapezoidal wire Different material spring processing |
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| Type of manufacturing | Furniture Construction material Medical equipment |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Diameter: less than 0.6 mm 2:Parts manufacturing - Spring - Formed wire spring 3:Parts manufacturing - Spring - Shaped spring 4:Parts manufacturing - Spring - Compression coil spring 5:Parts manufacturing - Spring - Torsion spring 6:Parts manufacturing - Spring - Battery spring 7:Parts manufacturing - Spring - Double torsion spring |
| Main 3 products | Spring/Coil Forming/Shaft/Bar Welding |
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| Type of manufacturing | Machine tools Industrial machinery Kitchen |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Diameter: less than 0.6 mm 2:Parts manufacturing - Spring - Compression coil spring 3:Parts manufacturing - Spring - Tensil coil spring 4:Parts manufacturing - Spring - Torsion spring 5:Parts manufacturing - Spring - Formed wire spring 6:Parts manufacturing - Spring - Shaped spring 7:Parts manufacturing - Spring - Diameter: 0.6 to 6.0 mm |
【新技術開発】 外径φ60μmの微細ばね 【開発の目的】 ICの微細化に伴いテスターにはさらに微細化・多ピン化が必要とされ、微細なプローブが要求されている。この要求に応える。 【導入メリット】 高機能化 【開発品】 「現行品」当社の最小ばねは外径φ70μm 「開発品」外径φ60μmの微細ばね
| Main 3 products | Achievement of machining the thinnest long springs than any others utilizing our know-how in ultra-thin wires of medical catheters 50% global market share of Contact spring.Stable mass-production of the products in silver-plated and variant-shaped such as double torsion 70% global market share of ballpoint pen tip springs / Manufacture the ball holding springs for neutral/new oil-based pens, fully utilized own developed machines' features |
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| Type of manufacturing | Electronic parts Medical equipment Stationery products |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Formed wire spring 2:Parts manufacturing - Spring - Compression coil spring 3:Parts manufacturing - Spring - Torsion spring 4:Parts manufacturing - Spring - Double torsion spring 5:Parts manufacturing - Spring - Tensil coil spring 6:Parts manufacturing - Spring - Shaped spring |
| Main 3 products | Various springs 3D formed fan guards Machine parts |
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| Type of manufacturing | Telecommunication equipment Electronic parts Transportation equipment |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Formed wire spring 2:Parts manufacturing - Spring - Compression coil spring 3:Parts manufacturing - Spring - Tensil coil spring 4:Parts manufacturing - Spring - Torsion spring 5:Parts manufacturing - Spring - Double torsion spring 6:Mass production - Metal press - Forming |
| Main 3 products | Precision plate springs (t=0.1~1.0) Precision pressed products Spiral springs for motors |
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| Type of manufacturing | Heavy electric machinery Transportation equipment Electrical component for transportation equipment |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Thin leaf spring 2:Parts manufacturing - Electrical part - Coil manufacturing 3:Mass production - Metal press - Multi forming 4:Parts manufacturing - Spring - Leaf spring 5:Parts manufacturing - Spring - Conical spring 6:Parts manufacturing - Spring - Battery spring 7:Parts manufacturing - Spring - Copper alloy |
An automatic compression and extension spring testing machine. Up to 100N can be measured.
| Main 3 products | Compression springs Tension Springs Torsion Springs |
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| Type of manufacturing | Industrial machinery Transportation equipment Medical equipment |
| Recommended manufacturing category |
1:Development and production of prototype/Small-scale production - Machining - Machining/Handles small-scale production (order from 1 piece) 2:Development and production of prototype/Small-scale production - Machining - Handles microfabrication 3:Parts manufacturing - Spring - Compression coil spring 4:Parts manufacturing - Spring - Torsion spring 5:Parts manufacturing - Spring - Formed wire spring 6:Development and production of prototype/Small-scale production - Prototype processing - Bending 7:Parts manufacturing - Spring - Double torsion spring 8:Parts manufacturing - Spring - Tensil coil spring 9:Mass production - Grinding processing - Double-sided grinding 10:Die manufacturing - Spring mold - Designing |
| Main 3 products | Precision wire and leaf springs |
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| Type of manufacturing | Office automation equipment Electronic parts Medical equipment |
| Recommended manufacturing category |
1:Mass production - Metal press - Single press (below 80 t) 2:Development and production of prototype/Small-scale production - Prototype processing - Bending 3:Parts manufacturing - Spring - Leaf spring 4:Parts manufacturing - Spring - Thin leaf spring 5:Parts manufacturing - Spring - Torsion spring 6:Parts manufacturing - Spring - Double torsion spring 7:Development and production of prototype/Small-scale production - Prototype processing - Small-size prototype manufacturing |
Introducing Load Testing / Load Measurement Services for Leaf Springs At Kyowa Hearts, we specialize in the processing of leaf springs. There are several key points in quality control for leaf springs, but "load" is one of the most critical factors. To achieve sufficient load capacity, fine adjustments to the product shape and careful selection of materials are essential. We have multiple load measurement machines in-house, allowing us to collect data during the prototyping stage to assist in selecting the optimal material and sheet thickness. Additionally, during mass production, we can measure the load of leaf springs in real time and make fine adjustments to ensure product quality. Even if you don’t have design drawings, no problem! Reverse engineering is also available. Feel free to contact us anytime! ☆ Frequently Asked Questions: https://www.kyowa-hearts.com/faq/ ☆Equipment Information: https://www.kyowa-hearts.com/setsubi/ ☆From Inquiry to Prototyping & Mass Production: https://www.kyowa-hearts.com/flow/ Contact Information Kyowa Hearts Co., Ltd. – Rumi Sakamoto Address: 1-5-1 Takata Nishi, Kohoku-ku, Yokohama, Kanagawa, Japan TEL: 045-593-6116 FAX: 045-593-6121 Official Website: https://www.kyowa-hearts.com
| Main 3 products | Precise progressive press die design and manufacturing. (Leaf springs, connector terminals, drawing processing) Mass press stamping (3 servo presses incl. 150 tons, 2 high-speed presses and 8 automatic presses) Trial processing by hand (can handle short delivery of 1 or more items) |
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| Type of manufacturing | Telecommunication equipment Electronic parts Medical equipment |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Thin leaf spring 2:Mass production - Metal press - Stainless steel material for spring 3:Mass production - Metal press - Thickness: below 0.2 mm 4:Development and production of prototype/Small-scale production - Prototype processing - Small-size prototype manufacturing 5:Die manufacturing - Spring mold - Leaf spring die 6:Designing - Mold designing - Progressive die designing (light electrical) 7:Designing - Mold designing - Drawing metal press die designing |
Bangkok Sanyo Spring provides integrated mold design and press processing in Thailand, enabling high-quality manufacturing with reduced costs, faster lead times, and consistent delivery for automotive, electronics, and appliance industries. ■ Integrated Press and Mold Manufacturing System Bangkok Sanyo Spring Co., Ltd. (BSS), based in Samut Sakhon, Thailand, has over 30 years of experience in producing high-precision press components for Japanese manufacturers. We provide a complete in-house production system—from mold design and fabrication to press stamping and logistics—ensuring stable quality, cost efficiency, and responsive service. ■ Key Strengths - In-House Mold Design: Fast response and flexible design revisions - Stable Production Capacity: Equipped with both progressive and single-action presses - Strict Quality Assurance: Full in-line and final inspections to prevent defects - Cost Reduction: Local production eliminates intermediate logistics and outsourcing costs - Reliable Delivery: Distribution covers major Thai industrial zones and exports to Vietnam and Indonesia ■ Technical Capabilities - Press Processing Types: Progressive and single-action stamping - Materials Supported: Iron, stainless steel, aluminum, copper, plated materials - Sheet Thickness: 0.05 mm to 3.0 mm - Additional Processes: Riveting, tapping, deburring, surface and heat treatments - Machine Range: > Progressive presses: 35 to 200 tons > Single-action presses: 10 to 110 tons ■ Industry Applications - Automotive: Engine parts, electrical components, ECU brackets, brake system parts - Cameras: DSLR housing parts and mechanical plates - Office Automation: Mechanism frames and printer components - General Components: Busbars, terminals, spring connectors, and other stamped metal parts ■ Trusted by Japanese Manufacturers for Over 30 Years With advanced machinery and local technical teams, Bangkok Sanyo Spring delivers consistent quality and responsive support to meet the demands of modern manufacturing. For product brochures or inquiries, please download the PDF or contact us directly. #MetalStampingThailand #PressParts #PrecisionMetalComponents #MoldDesignThailand #AutomotiveParts #OneStopManufacturing #SpringThailand #OEMSupplier #SamutSakhonFactory #ExportToVietnam
| Main 3 products | Stamping part Coiling spring Plastic injection parts |
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| Type of manufacturing | Office automation equipment Electronic parts Transportation equipment |
| Recommended manufacturing category |
1:Parts manufacturing - Spring - Leaf spring 2:Mass production - Metal press - Multi forming 3:Mass production - Metal press - Progressive press (35 - 80 t) 4:Mass production - Metal press - Progressive press (80 - 200 t) |
Stainless steel snap pins are widely used components in industrial equipment, known for their high durability and ease of use. [Product Specifications] • Materials: Compatible with SUS304, SUS316, SUS631, and other stainless steel grades • Wire diameter range: 0.1mm to 5mm • Corrosion resistance: Approximately 100 times more resistant than standard iron products • Durability: Engineered for repeated use • Feature: Easy installation and removal [Applications] • Automotive - Door hinges, seatbelt mechanisms • Construction - Scaffolding fasteners, temporary structure joints • Agriculture - Harvester part fixation, irrigation system connections • Industrial - Conveyor belt linkages, control panel cover fasteners • DIY - Furniture assembly, gardening tool connections [Manufacturing Technology] • Precise die design to mitigate springback effects • Scheduled die maintenance program • Strict quality control processes based on ISO 9001 standards We specialize in precision processing of wire and strip materials, accommodating diameters from 0.1 to 5mm. Our NC-controlled manufacturing enables complex shape production. For inquiries or custom orders, please don't hesitate to contact us. [Company Information] Nippon Forming Co., Ltd. Headquarter & Main Factory: 1-23-2 Kanamachi, Katsushika-ku, Tokyo Tsukuba Factory: 2924 Ujikai, Ishioka-shi, Ibaraki https://www.forming.jp/eng/
| Main 3 products | Various springs/clips Multi-forming processed products Bending processed wire products |
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| Type of manufacturing | Telecommunication equipment Electronic parts Transportation equipment |
| Recommended manufacturing category |
1:Mass production - Metal press - Multi forming 2:Mass production - Metal press - Forming 3:Parts manufacturing - Spring - Thin leaf spring 4:Mass production - Metal press - Stainless steel material for spring 5:Parts manufacturing - Spring - Piano wire (carbon wire) 6:Parts manufacturing - Spring - Shaped spring 7:Development and production of prototype/Small-scale production - Prototype processing - Punching |
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