|Jan.1956 Company establishmentManufacturing PVC sheets is started in
It has the oldest history in the industry.
May.1961 It starts the construction of the Konoike improvement for the
of production as the amount of the order increases great.。
Jul.1962 All of the headquarters and the headquarters business is moved
the Konoike factory at the same time as completing the Konoike
Jul.1963 The Tokyo office is established for the demand and the sales
network expansion of the Kanto district customer.
Nov.1970 Production system completion of 30,000t Konoike headquarters office
new building completion a year.
Aug.1991 It starts a headquarters factory overall repair.
The factory building is built, and high-ranking stability,
the stepped-up production of the quality, and the labor saving
attempted by efficient equipment.
Mar.1993 New factory. Period completion
【System to make good product from good environment cheaply
easily, and early】
It drinks, it achieves, it advances steadily,
and the system of 40,000t in the annual output.
Jan.2002 Construction of corporate information system using IT.
The headquarters office is greatly repaired.
Dec.2003 It starts the period repair work of the headquarters factory
the order amount of overseas.