| 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. |
| Apr. 1971 | Increased capital to ¥110 million. |
| 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. (Capital: ¥136.4 million). |
| Jan. 2000 | Merged with Koshi Industrial Co., Ltd. Changed name to Pla Matels Corporation (Capital:¥201.4 million). |
| Mar. 2000 | Increased capital to ¥490 million. |
| Oct. 2001 | Listed on JASDAQ (OTC). |
| 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. |
| Apr. 2003 | Converted a representative sales office in Shanghai into a subsidiary: Pla Matels (Shanghai) Co., Ltd. |
| Nov. 2003 | Increased capital to ¥793.05 million. |
| 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 |
| May. 2012 | Established Hirosaki office in Hirosaki, Aomori |
| Jul. 2012 | Established Pla Matels (Thailand) Co., Ltd. in Bangkok, Thailand. |
| Apr. 2013 | Established Pla Matels (Shanhai) Co.,Ltd. Tianjin Branch in Tianjin, P.R.China |
| May. 2013 | Established PLA MATELS INDIA PRIVATE LIMITED in India |
| Jun. 2013 | Established Kyushu Branch (former: Oita office) |
| Aug. 2013 | Established Taiwan Pla Matels Corporation Taichung Branch in Taichung, Taiwan |
| Feb. 2015 | Established Pla Matels (Malaysia) Sdn. Bhd. in Malaysia |
| Apr. 2016 | Established Chubu Branch Office composed of Shizuoka Branch and Nagoya Branch Established Tohoku Branch (former: Hirosaki office) |
| Jul. 2017 | Established PLA MATELS VIETNAM CO., LTD. in Ho Chi Minh, Vietnam |