1968, a medical compound was developed with telumo.
1988, Zhongyuan Chemical (Company) (now known as Kanaika) got a piece of the action.
1992, the company's headquarters and factory were moved to Komatsutai Industrial Park (Yusheng City, saitama).
1997, the second factory was completed.
1998, cooperating with Zhongyuan Chemical (now known as Kanaka).
Branches have been opened in Tokyo, Osaka and Nagoya.
1999, and obtained ISO9000 certification.
In 2000, we cooperated with PVC composite department of Zhisuo Co., Ltd.
In 2002, the name of the business outlets was changed to East Japan Branch and West Japan Branch, and Nagoya Branch was merged into West Japan Branch.
Cooperate with Zhongyuan Chemical (Factory) (now known as Kanaka) for complex business.
In 2003, Weina Showa Co., Ltd. was established in Ho Chi Minh City, Vietnam.
In 2007, Beilu Branch was established.
In 2008, it was certified by ISO 14000.
Dalian Showa Plastic Processing Co., Ltd. was established in Dalian, China.
Kawasaki established a "Technology Development Center" in Hanergy City.
Remarks: Some company names are translated by pronunciation for reference.