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Latest update: 06/12/2016 14:33:17


Ultra-precision metal processing in China and Southeast Asia

We provide ultra-precision grinding services with sub-micron accuracy. Fifty percent of equipment we use are developed by ourselves. Focused on our competitive grinding service, we offer integrated production services including heat treatment, cutting and polishing. From prototype to mass production, we offer fast delivery and high-quality services. Our system covers China and all areas in Southeast Asia.

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[Company strength]
 (1) Ultra-precision grinding with sub-micron accuracy; (2) Implementation of stable quality control by our in-house integrated production (heat treatment, cutting, grinding and polishing); (3) Our services target all materials available (cemented carbide, ceramic, stainless steels, heat-resistant steel, etc.); (4) Fast delivery and high quality from prototype to mass production; (5) Providing high added value through technical proposals

[Business description]
We specialize in ultra-precision metal processing and our main business is manufacturing and selling metal parts. Our main product is precision shaft, which accuracy and production volume are the top class in the world. It receives favorable reception from many clients in automotive, consumer electronics, and industrial machinery industry. With grinding technology as our core technology, we have established an integrated production system consisting of heat treatment, cutting and turning, pressing, and machine development services. We also work on the development of some assembly products.


[Strength of products/technologies]
 We provide sub-micron accuracy regarding outer diameter, inner diameter, roundness, straightness, cylindricity and roughness. We have received favorable reception from customers in automotive and a variety of other industries. Fifty percent of equipment we use are developed by ourselves. Integrated production services are available including our competitive grinding service as well as heat treatment, cutting and polishing service. We also have a number of original materials. Technical proposals are available.

[Representative's message]
Since our foundation, we have focused on the consistent theme of “developing creative productive technologies” as a comprehensive manufacturer of metal processing, including precision grinding, cutting, plastic processing and heat treatment. We have built an in-house integrated production system and established a high reputation and trust in a wide range of fields. We aim to provide high-quality services and technical proposals to meet customers’ needs based on the creative skills cultivated through the years. We will further refine our technical skills and continue to expand into new products, areas and customers. 

[Company structure for market development/overseas expansion]
Our current clients are mainly major Japanese companies. In overseas, we have a factory in China and a branch office in Hong Kong, covering all areas in China and Southeast Asia. Our head office in Japan handles transactions related to Europe and America. 

[Market share/Ranking]
Domestic share of precision shaft (small diameter): 40%

[Awards and media coverage]
Award of “300 Energetic Manufacturing SMEs 2006” organized by the Small and Medium Enterprise Agency, “Quality Award 2013” organized by DENSO 

ISO9001(2008) and  ISO14001(2004) 

[Joint research and development]
 Joint development with leading companies, venture companies and public institutions

[Factory (domestic)]
Tsukuba Plant (Ibaraki)

[Factory (overseas)]
Fuzhou Sanwa Precision Co., Ltd. (China)

[Other sites]
Sanwa Precision Hong Kong Co., Ltd. (Hong Kong)

[Transaction form]
Mass production, prototype development, joint development, entrusted manufacturing, OEM contract 

[Transaction terms]
According to customers’ terms and conditions (to be consulted) 

[Main Clients / Business History (domestic)]
Denso Corporation (mass production, 2000 to present), Mitsubishi Heavy Industries, Ltd. (mass production, 2000 to present), Mitsubishi Electric Corporation (mass production, 1976 to present)

[Main Clients / Business History (overseas)]
Schaeffler (mass production), Philips (mass production), Samsung (mass production), Delta Electronics (mass production), Jabil Circuit (mass production)

[Exhibition History/Information]
 Mechanical Components & Materials Technology Exhibition 2005-2013, People and Automotive Engineering Exposition 2007, Messe Nagoya 2013, Internepcon 2014, Sai-no-Kuni Super Arena 2014

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ

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