Dainippon Plastics Co., Ltd.

Dainippon Plastics Co., Ltd. was founded in 1956 as part of the plastics business plan of Dainippon Celluloid Co., Ltd. (now Daicel Corporation). It began manufacturing various plastic products at its Himeji and Tokyo plants using injection molding, blow molding, vacuum forming and extrusion molding. The company's history page is now hosted on the website of Takiron C.I. Civil Co., Ltd., which describes itself as providing civil engineering and environmental solutions.

In 1956, Dainippon Plastics Co., Ltd. was founded as part of the plastics business plan of Dainippon Celluloid Co., Ltd. (now Daicel Corporation). At its Himeji and Tokyo plants, it began manufacturing various plastic products through injection molding, blow molding, vacuum forming and extrusion molding. In 1959, equipment for manufacturing rigid PVC corrugated sheets was newly installed at the Himeji plant. In 1961, a Nagoya sales office was opened. In 1962, the Matsudo plant was newly established and began operations, and Koto Seiki Co., Ltd. was established. In 1963, the Tokyo plant's equipment was relocated to the Matsudo plant to establish a concentrated production system, and equipment for manufacturing Netron products was newly installed at the Matsudo plant. In 1970, a Sendai sales office was opened. In 1971, Tokuyama Soda Co., Ltd. (now Tokuyama Corporation) took an equity stake, and a Hiroshima sales office was opened. In 1972, manufacturing of rigid PVC drainage pipes began at the Himeji plant, equipment for manufacturing Netron products was newly installed at the Himeji plant, and a Fukuoka sales office was opened. In 1973, the injection molding division of the Matsudo plant was strengthened and molding of large products began. In 1974, manufacturing technology and a plant for rigid PVC corrugated sheets were exported to ICI (Imperial Chemical Industries Limited) in the UK; the company received a construction business license (Tokyo) and began taking orders for wastewater treatment equipment plants; and a Sapporo sales office was opened. In 1975, the first fixed-bed wastewater treatment unit was completed and delivered. In 1976, manufacturing of deck materials began at the Himeji plant, and equipment for manufacturing steel pipe bamboo was newly installed at the Matsudo plant. In 1979, a Kagoshima sales office was opened. In 1980, Hokkai Daipura Co., Ltd. was established. In 1982, Aboshi Jitsugyo Co., Ltd. was established. In 1983, Daipura Matsudo Jitsugyo Co., Ltd. was established. In 1985, manufacturing equipment for various elastomer sheets and films was newly installed at the Himeji plant. In 1987, Tokyo Resin Kogyo Yugen Kaisha was established, and equipment for manufacturing Daipura Super pipes was newly installed at the Matsudo works. In 1988, Daipura Howell Pipe Yugen Kaisha was established and equipment for manufacturing Daipura Howell pipes was newly installed. In 1989, equipment for manufacturing polycarbonate corrugated sheets was newly installed at the Matsudo works, and the Ako plant was newly established, beginning operations for Daipura Super pipes and Netron pipes. In 1990, Seedam Co., Ltd. was established, Daipura System Technology Co., Ltd. was established, and West Japan Howell Pipe Yugen Kaisha was established. In 1991, equipment for manufacturing Daipura Howell pipes was newly installed at West Japan Howell Pipe Yugen Kaisha; capital was increased to 1,032,000 issued shares and capital of 859.2 million yen. In 1992, equipment for manufacturing polycarbonate corrugated sheets was added at the Matsudo works. In 1996, Daipura Wintes Co., Ltd. was established. In 1998, Seedam Co., Ltd. obtained ISO9002 certification, and equipment for manufacturing corrugated pipes was newly installed at the Ako plant. In 1999, Daipura System Technology Co., Ltd. obtained ISO9001 certification. In 2000, Seedam Co., Ltd. obtained ISO14001 certification. In 2001, the company obtained ISO9001 certification; Seedam Co., Ltd. fully relocated to the Kamigori plant. In 2002, the company obtained ISO14001 certification; the Matsudo works obtained Japan Sewage Works Association standard certification; West Japan Howell Pipe Yugen Kaisha obtained Japan Sewage Works Association standard certification; equipment for rotational molding was newly installed at the Himeji works; Daipura System Technology Co., Ltd. and Koto Seiki Co., Ltd. integrated their businesses; a logistics center was established within the Matsudo works; and equipment for manufacturing Daipura Howell pipes was added at West Japan Howell Pipe Yugen Kaisha. In 2003, steel pipe bamboo manufacturing equipment was relocated from the Matsudo works to Shanghai, China; the equity ratio was changed to Daicel Chemical Industries, Ltd. (now Daicel Corporation) 60% and Tokuyama Corporation 40%; Aboshi Jitsugyo Co., Ltd. changed its name to Daipura Etech Co., Ltd.; and Daipura Matsudo Jitsugyo Co., Ltd. changed its name to Daipura Tech Co., Ltd. In 2004, equipment for manufacturing polycarbonate corrugated sheets was added at the Matsudo works; West Japan Howell Pipe Yugen Kaisha added Howell pipe manufacturing equipment (large diameters of 2,400 mm and 3,000 mm); an in-house company system was introduced; the head office and Osaka sales office were relocated (to Honmachi, Chuo-ku, Osaka); Daipura Systech Thai Co., Ltd. was established in Bangkok, Thailand; and the Fukuoka sales office was relocated. In 2005, Daipura Systech Thai Co., Ltd. acquired land for a new factory in Amata Nakorn, Thailand; a corrugated pipe building was added at the Ako plant; and equipment for manufacturing foam carriers for septic tanks was newly installed at the Matsudo works. In 2006, the Ako plant...

1. 1タキロンシーアイシビル株式会社tc-civil.co.jp
2. 2沿革 – タキロンシーアイシビル株式会社tc-civil.co.jp
3. 3企業情報 – タキロンシーアイシビル株式会社tc-civil.co.jp
4. 4事業拠点 – タキロンシーアイシビル株式会社tc-civil.co.jp
5. 5Dainippon Plastics Co., Ltd. (Japan)wikidata.org