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Established Showshin Industries Co., Ltd. with a capital of 8,000,000 yen by current President Sadaaki Tagoro at 229-23 Yamaguma, Ogori City, Fukuoka Prefecture, and started selling construction materials.
Increased capital to 12,000,000 yen.
Changed company name to Showshin Industries Co., Ltd.
Opened Kurume Sales Office at 16-50 Yamagawano-guchi, Kurume City, Fukuoka Prefecture.
Opened Fukuoka Sales Office at 5-11-5 Mikasagawa, Onojo City, Fukuoka Prefecture.
Established affiliated company Japan PC Kiko Co., Ltd. to manufacture and sell D-type spacers for salt damage countermeasures.
Closed Kurume Sales Office, merged with head office, and relocated to the current address.
Established affiliated company Showshin Fukuoka Limited in Fukuoka City, closed Fukuoka Sales Office, and merged with head office.
Developed and launched SG caps and rebar hooks.
Developed, started selling, and leasing a portable water purifier (portable filtration device).
Established a factory for mechanical reinforcement joints and started manufacturing and sales of (Okabe C.S. Joint Method).
Sho Shin Sangyo Co., Ltd. will be closed for its summer holiday from August 11 through 16, 2026. The company apologizes for any inconvenience during this period and asks for customers' understanding.