- Mar. 1951
- Nihon-Jushi Ltd. established for the purpose of selling plastics (capital: ¥300 thousand).
- Mar. 1952
- Changed name to Nihon-Jushi Co., Ltd. to expand business (capital: ¥1,000 thousand).
- Mar. 1961
- Increased capital to ¥15,000 thousand; Nichimen Corporation increases equity stake to 13.3%.
- Mar. 1967
- Shizuoka Branch opened in Shizuoka City.
- Dec. 1994
- Nichimen Corporation became the majority shareholder, with a 55.5% stake, following a third-party allocation of shares.
- Sep. 1995
- Changed name to Nichimen Plastics Corporation.
- Mar. 1998
- Moved headquarters to Omori-kita, Ota-ku, Tokyo.
- Oct. 1998
- Merged with Nichimen Plastics Co., Ltd. to strengthen sales in the Kansai district.
- Nov. 1998
- Acquired stock in Fujimatsu Company Co., Ltd., and made the company a subsidiary.
- Jan. 2000
- Changed name to Pla Matels Corporation.
- Merged with Koshi Industrial Co., Ltd. to expand business.
- Apr. 2001
- Dispatched a sales representative to Bangkok, Thailand.
- Oct. 2001
- Listed on JASDAQ (OTC).
Acquired 50% stake in Shinwa Gosei Co., Ltd. (Hong Kong).
- Apr. 2002
- Dispatched a sales representative to Shanghai, China.
- Jan. 2003
- Acquired the sales business of Asahi Plastics Co., Ltd.
Established a subsidiary in Hong Kong: Pla Matels (Hong Kong) Co., Ltd.
- Feb. 2003
- Established a representative sales office in Philippines.
- Mar. 2003
- Established a branch office in Singapore.
- Apr. 2003
- Converted a representative sales office in Shanghai into a subsidiary: Pla Matels (Shanghai) Co., Ltd.
- Sep. 2003
- Established subsidiary FILTEREN Co., Ltd., which acquired the sintered filter business of KAKEN, Inc. in Oct., and transferred its business to the new Toda plant to launch full-scale production of sintered filters in Dec.
- Feb. 2004
- Subsidiary Fujimatsu Company Co., Ltd. acquired sub-subsidiary Tamatsu Co., Ltd.
- Mar. 2004
- Established a subsidiary in Singapore: Pla Matels (Singapore) Pte. Ltd.
- Oct. 2004
- Established a subsidiary in Tianjin, China: Pla Matels (Tianjin) International Trading Co., Ltd.
- Feb. 2006
- Established a joint venture with TOYO INK MFG. CO., LTD. : TOYO INK COMPOUNDS VIETNAM CO., LTD.
- Jul. 2007
- Moved headquarters to Kitashinagawa, Shinagawa-ku, Tokyo.
- Jan. 2009
- Established Pla Matels (Shenzhen) Co., Ltd. in China.
[ Capital: 100% Pla Matels (Hong Kong) Co., Ltd. ]
- Aug. 2009
- Established a subsidiary in Dalian: Pla Matels (Dalian) Co., Ltd.
- Jul. 2011
- Converted a representative sales office in Philippines into a subsidiary: Pla Matels (Philippines) Corporation.
- Nov. 2011
- Established a representative sales office of Pla Matels (Shanghai) Co., Ltd. in Hefei, P.R.China
