1967

  • On November 19, 1967, the company is established as a limited company with a registered capital of 3 million baht to manufacture parts for cars and trucks.

1981

  • Signs a technical contract with Shin Meiwa Industry Co., Ltd. Japan to manufacture hydraulic lift cylinders and other mechanical systems.

1986

  • Receives authorization by the Ministry of Industry to manufacture modified vehicles
  • Signs contract with Toyota Auto Body Co., Ltd. Japan to cooperate on technical designs and mold manufacturing

1990

  • Sammitr Special Truck Co., Ltd. is registered as a company to manufacture trailers, semi-trailers, and specially purposed trucks.

1992

  • Starts designing and producing axles to use in manufacturing trailers and semi-trailers for sale.
  • Expands investments to China by registering affiliates and associated companies in China. Presently, these companies in China are managed by Changchun Sammitr Motors Co., Ltd. (CCSMM), a company in which Sammitr holds one hundred percent of the shares.

1994

  • Signs a technical contract with Toyota Auto Body Co., Ltd. in the production of dies and jigs using the CAD/CAM systems.

1995

  • Starts designing, manufacturing, and selling steel canopy for pickups.

1997

  • Starts researching and developing engines and equipment for modifying NGV engines as well as assembling whole NGV vehicles.

2002

  • CCSMM provides service to install tools for NGV engine modification for personal cars Volkswagen and Audi issued from FAW-Volkswagen Automobile Co., Ltd., an assembly plant in China.

2005

  • Receives accredited certificationISO 9001: 2000 for its quality management system for dies, steel canopies, dumpers, trailers, semi-trailers, axles, and hydraulic lift cylinders as well as the ISO/TS 16949: 2002 for its quality management system in the production of metal parts for the automotive industry.

2006

  • Receives accredited certification ISO 14001: 2004 for its environmental management in the production of steel canopies and steel pressed parts.
  • Starts commercial production and sale of multi-purpose trucks (MPT).

2007

  • Starts production and sale of NGV trucks and provides NGV engine modification and installation services.
  • Registers as a public company on April 26, 2007.

2016

  • Receives accredited certification ISO 14001:2015 for its environmental management in producing ground support equipment.

2560

  • Receives accredited certification ISO 14001:2015 for its environmental management in producing steel canopies and steel pressed parts.
  • Receives accredited certification ISO 9001:2015 for its quality management in producing steel canopies, dies, hydraulics, axles, dumpers, trailers, jig fixtures, special purposed trucks, and ground support equipment.
  • Receives accredited certification ISO/TS 16949: 2009 for its quality management in producing steel pressed parts.

2018

  • Sammitr PTG Pro Truck Solution Center Co., Ltd. is established out of a collaboration between Sammitr Motors Manufacturing Public Company Limited and PTG Energy Public Company Limited to provide total service solutions for trucks.