Leave it to us for short-term prototype harnesses! Our experienced prototype team can handle from one unit.
Are you struggling with short delivery times for prototype harnesses? Our company has a prototype department with over 4,000 experiences in prototyping. We specialize in processing multi-circuit (300 circuits), special wires, and can respond immediately to projects with short delivery times. Additionally, we own numerous facilities specialized for prototyping. We have multi-crimping machines, hand tools, and can solve issues such as not being able to amortize costs for the number of prototypes. We are also skilled in handling small lots with a variety of products, and we are happy to accommodate even a single unit. 【Features】 ■ Experienced prototyping team ■ Numerous facilities specialized for prototyping ■ Orders can be placed from just one unit *For more details, please refer to the PDF document or feel free to contact us.
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【For such troubles】 ■ There is a prototype that needs to be completed within a month, but it has been declined. ■ A processing request has come in, but I would rather not work on the prototype harness. *For more details, please refer to the PDF document or feel free to contact us.
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【Purpose】 ■Short-term prototype production of harnesses *For more details, please refer to the PDF document or feel free to contact us.
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Founded in 1982 and headquartered in Hekinan, Aichi Prefecture, Japan, Sanshu Wire Harness Co., Ltd. specializes in the manufacturing and processing of wire harnesses, operating two production facilities in Aichi and Nagano Prefectures. We support a wide range of industries, including automotive, electric vehicles (EVs), motorcycles, industrial equipment, medical and healthcare devices, agricultural and construction machinery, and aerospace. Our greatest strength lies in our flexible manufacturing capabilities, from a single prototype to full-scale mass production. Through our specialized prototyping brand, SHIDEN, we provide comprehensive support from the earliest stages of product development, even when detailed drawings are not yet available. Our services include component selection, weight and size optimization, rapid prototyping, and customized solutions tailored to each customer's technical challenges. Backed by decades of manufacturing expertise and an ISO 9001-based quality management system, we are committed to delivering high-quality products, short lead times, and competitive pricing. Guided by our corporate philosophy, "Three Connections," we strive to connect people, technologies, and the future, creating new value by solving our customers' challenges. We also place great importance on the growth and development of every employee. Through continuous innovation and improvement, we aim to be a company that inspires customers, partners, and employees alike to say: "We're glad we chose Sanshu Wire Harness."













