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history



July 1946
Establish limited partnership, TANAKA MFG. at location of current head office. Produce vehicle bearings
March 1963 Renama company to TNK SANWA
PRECISION CO.,LTD.Begin production of microshafts..
March 1969 Complete 1ST phase of Tsukuba Plant construction, begin operation.
March 1971 Capital increased to 30,000,000 yen.
June 1976 Capital increased to 60,000,000 yen.
January 1981 Complete construction of Head Office building.
June 1981 Capital increased to 99,000,000 yen.
August 1982  Complete 7th phase of Tsukuba Plant, No.4
Plant(Precision Mass Production Plant) construction.
October 1983 Presented "Select 50 FA Plant" Award from Nihon Keizai Shimbun,Inc.
January 1986  Presented awaed from The Small and Medium Business Research Institute.
December 1986 Capital increased to 198,000,000 yen.
September 1987 TNK PRECISION (U.S.A.) CORP.established and operation brgins.
March 1990 Introduce new production system.
July 1992 Completa new distribution system by introducting automated rack system
March 1993 Establish sales base in Hong Kong.
October 1993 Establish sales base in Singapore.
May 1994 Establish FUZHOU SANWA PRECISION CO.,LTD. in Fuzhou, fujian Province, china.
November 1994 TNK PRECISION (USA) CORP. and transfer facilities to China.
December 1994 FUZOU SANWA PRECISION CO.,LTD. commences operation. 
January 2000 SANWA PRECISION (HK) CO.,LTD. CHANGAN FACTORY commences operation.
August 2000 Tsukuba Plant Achieve ISO 14001:1996 certification.
Maech 2003 Transferand expansion of FUZHOU SANWA PRECISION CO.,LTD.
January 2004 Head office and Tsukuba Plant Achieve ISO 9001:2000 certification.
August 2005 Tsukuba Plant renewal ISO 14001:2004 certification.
April 2006 Elected to "Introducing 300 of Japan's Exciting. Monozukuri(Manufacturing) SEMs " by Smaii and Medium enterprise Agency.
November 2006 Integrate SANWA PRECISION(S) PTE.,LTD. with SANWA PRECISION(HK) CO.,LTD.
October 2007 Capital decrease to 100,000,000 yen.
September 2008  Integrate SANWA PRECISION (HK) CO.,LTD.CHANGAN FACTORY with FUZHOU SANWA PRECISION CO.,LTD. 
February 2009  Head office function shift to Tsukuba plant.