22 May. 1970

Thai Nam Plastic Co., Ltd. founded.

03 Nov. 1983

Tnp Industry Co., Ltd. or TNPIC , a subsidiary of Thai Nam Plastic (Public) Co., Ltd. founded.

27 Feb. 1992

Thai Nam Plastic (Public) Co., Ltd. registered as a listed company in the Stock Exchange of Thailand (SET) as TNPC.

31 Oct. 1994

Thai Nam Plastic (Public) Co., Ltd. Investing in Sunprene (Thailand) Co., Ltd. as a Joint Venture among TNPC, Mitsubishi Chemical MKV (America) Co., Ltd. and Industrial Finance Corporation of Thailand (IFCT).

24 Jan. 2002

Thai Nam-Kyowa Co., Ltd. found as a Joint Venture Company between Thai Nam Plastic (Public) Co., Ltd. and Kyowa Leather Cloth Co., Ltd. (Japan).

26 Apr. 2002

Tnp Industry Co., Ltd. ISO 9001: 2000 Quality Management System certified.

19 Dec. 2002

Thai Nam Plastic (Public) Co., Ltd. ISO 9001: 2000 Quality Management System certified.

20 Jun. 2003

Thai Nam-Kyowa Co., Ltd. ISO 9001: 2000 Quality Management System certified.

26 Jun. 2006

Thai Nam Plastic (Public) Co., Ltd. and Thai Nam-Kyowa Co., Ltd. ISO/TS 16949: 2002 Quality Management System certified.

24 Nov. 2010

TNV PLASTICS Pty Ltd(South Africa) a Subsidiary of Thai Nam Plastic (Public) Co., Ltd.