Sanzhen Industrial Co., Ltd.
With 70 years of establishment, we specialize in the machining of precision small-diameter components, leveraging the strength of high precision and mass production capabilities with 103 NC lathes.
With 70 years of establishment, we specialize in precision machining of small-diameter components, leveraging high precision and mass production capabilities with 103 NC lathes. We supply to the fluid control, semiconductor, automotive, and medical fields. We have obtained ISO 9001 certification, been recognized as a Health Management Excellent Corporation, acquired Eco Action 21 certification, made a two-star declaration for Security Action, and are a company with virtually zero greenhouse gas emissions.
basic information
We specialize in precision machining of brass and stainless steel parts, particularly in the range of φ3 to φ41. For supplied drawings, we verify material, tolerances, and surface roughness, and we handle everything from process management to mass production. We perform complex machining such as counterboring, internal hexagonal broaching, internal keyways, knurling, and gear shapes, managing critical areas that directly affect functionality, such as roundness, surface roughness, and internal and external diameters, with micron-level precision using various inspection and measurement tools.
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The Tokyo Metropolitan Small and Medium Enterprise Support Center is a public-interest corporation founded in July 1966 with the goal of contributing to regional economic growth. It does so by promoting the growth and stability of small and medium-sized enterprises based in Tokyo, introducing these enterprises to subcontractors, and offering job placement, training, and development services. In the medical device industry entry support project, we assist small and medium-sized manufacturing enterprises in Tokyo to enter the medical device industry. Specifically, a dedicated medical-engineering collaboration coordinator will work alongside your company to provide matching support with medical device manufacturers (production and sales companies) and clinical institutions, thereby aiding in the development and commercialization of new medical devices.