- October, 1952
Privately founded Narita Refinery in Mizuho-ku, Nagoya City
- August, 1979
Constructed Narumi Factory and relocated Head Office
- June, 1982
Established Tokyo Sales Office
- August, 1984
Changed corporate name to Solder Coat Co., Ltd.
- June, 1985
Constructed Factory No.2
Started operation as a Head Office Factory
- October, 1986
Factory was certified with the Japan
Industrial Standards (JIS) Mark
- February, 1987
Established Osaka Sales Office
- March, 1988
Increased capital to 50 million yen
- August, 1994
Established Iida Office
- October, 1998
Acquired ISO9001 certification
- March, 2000
Acquired ISO14001 certification
- April, 2001
Started operation at Factory No.3
- February, 2004
Started operation at Factory No.5 as a lead-free solder factory
- January, 2006
Established Factory No. 6 Started production of solder powder
- March, 2007
Established TRIANGLE SC CO., LTD.
- June, 2008
Established TAYA-SOLDER COAT CO., LTD.
- November, 2009
Established SOLDER COAT (THAILAND) CO., LTD.
- November, 2010
Established SOLDER COAT (VIETNAM) CO., LTD.
- December, 2013
Established SOLDER COAT NARITA PHILS.INC.
- January, 2014
TRIANGLE SC CO., LTD. has changed
company name to HONG KONG SOLDERCOAT CO., LTD.
