Dhep Vongvanich

National Petrochemical Public Co. Ltd. produces and distributes olefins, which consists of ethylene and propylene. The company is headquartered in Bankok, Thailand.

Part of The Siam Cement Public Co. Ltd., Rayong Olefins Co. Ltd. is a company that manufactures olefin products. The company is based in Rayong, Thailand.

Thai Union Paper Public Co. Ltd. manufactures and distributes polyvinyl chloride resin and downstream products. The firm’s products include PVC resin, PVC compounds, caustic soda, PVC paste and hydrochloric acid. It also provide technical, research and development services. The company was founded on December 2, 1966 and is headquartered in Bangkok, Thailand.

Bangkok Industrial Gas Co., Ltd. distributes industrial gases. The joint venture company is based in Bangkok, Thailand.

Part of Riken Technos Corp., Riken (Thailand) Co. Ltd. is a company that manufactures and distributes medical PVC compounds, automotive wiring harness, plug cord and other products. The company is based in Pathumthani, Thailand.

Thai Tank Terminal Ltd. provides liquid bulk terminal services to the petrochemical industry. The company was founded on March 27, 1992 and is headquartered in Rayong, Thailand.

Part of The Siam Cement Public Co. Ltd., Siam Sanitary Ware Co., Ltd. is a manufacturer and distributor of bathroom and kitchen accessories. The company is based in Bangkok, Thailand. Siam Sanitary Ware Co. was acquired by The Siam Cement Public Co. Ltd. from TOTO Ltd. on July 02, 2013.

TPC Vina Plastic & Chemical Corp. Ltd. engages in the manufacture and sale of PVC suspension resin and chemical products. The company was founded on June 23, 1995 and is headquartered in Dong Nai, Vietnam.