Company History

July 1931 Establishes a partner company of SANWA SHOJI and begins operation.
February 1941 Becomes a designated freight handling for calcium carbide control company.
April 1948 Merges with a calcium carbide control company and jointly establishes SANWA SHOJI Co., Ltd.
September 1951 Opens Ogaki Office (current Ogaki Branch).
August 1954 Capital investment in Shinwa Gas Equipment Co., Ltd.
July 1959 Capital participation in Ibigawa Acetylene Co, Ltd. (current IBIDEN Chemicals Co., Ltd.)
May 1965 Opens Mihara Sales Office (current Hiroshima Sales Office) and supplies an acetylene gas onsite plant (Sanwa method) at Innoshima Works, Hitachi Zosen Corporation.
June 1966 Opens Kyushu Sales Office (former Fukuoka Branch) and supplies acetylene gas onsite plant at Shimonoseki Shipyard, Mitsubishi Heavy Industries, Ltd.
April 1967 Begins sales of Sumikin welding rods. (current Nippon Steel & Sumikin Welding Co., Ltd.)
April 1971 Opens Tokyo Sales Office. (current Tokyo Branch)
December 1972 The number of business locations to which acetylene gas onsite plants (Sanwa method) were supplied reaches 20.
February 1973 Begins to handle electronic circuit boards made by Ibigawa Electric Industry Co., Ltd. (current IBIDEN Co., Ltd.)
November 1973 Opens Kumamoto Office (current Kumamoto Sales Office) and supplies acetylene gas onsite plant (Sanwa method) at Ariake Works, Hitachi Zosen Corporation
October 1981 Increases capital to 50 million yen.
November 1986 Opens Kashima Sales Office.
July 1991 Viewing the 60th anniversary as an opportunity, the company changes its name to SAS・SANWA Co., Ltd.
November 1994 Establishes RENAISSANCE SAS SANWA LIMITED. (Hong Kong)
August 1995 Opens Shizuoka EHS.
August 2005 Closes acetylene gas online site plant (Sanwa method) in Kumamoto Sales Office.
March 2006 Transfers Main Office to the current address.
March 2007 Transfers Tokyo Branch from Ota-ku to Minato-ku.
June 2007 Takes over the bicycle parking business from Yokohama YK Limited and establishes Construction Support(CS) Division.
November 2007 Acquires ISO 9001 and 14001(JQA-QMA13435, JQA-EM5963).
March 2008 Completes Ogaki Branch at the current address.
July 2011 Opens Sendai sales office in Sendai, Miyagi.
September 2014 Establishes SAS SANWA India Private Limited.