Chira Panupong

TPT Petrochemicals Public Co. Ltd. engages in manufacture of Purified Terephthalic Acid (PTA). The company offers PTA, a a major raw material of polyester used in the textile, non-woven, automotive, bottling and packing industries including generation of electricity and steam for the PTA operation. TPT Petrochemicals Public was formerly known as Tuntex Petrochemicals (Thailand) Co. Ltd and changed its name to TPT Petrochemicals Public in April 2005. TPT Petrochemicals Public was founded in November 1991 and is headquartered in Bangkok, Thailand.

Part of Usha Martin Ltd., Usha Siam Steel Industries Public Co. Ltd. is a wire rope manufacturer based in Bangkok, Thailand. The Thai company produces steel wire rope, auto cables, fine rope, strands, and specialty wires. The company has integrated manufacturing facilities including furnace, wire drawing, stranding and closing, along with wire rope design and testing facilities. The company also has a joint venture with Tesac (a Shinko Wire Group company) since 2012. Usha Siam Steel Industries Public Co. offers wire rope products for various applications such as crane rope, elevator rope, oil and offshore rope, anchor mooring rope, piling rope, fishing rope, drill line, sandline, gondola rope, automotive control cable, aircraft cable, engineering, slings, and lifting applications. The company also provides industrial strands, combination ropes, and specialty steel wires. The company has most of the required certifications as required in the wire-rope industry.

Indorama Polyster Industries PCL is engaged in manufacture of polyester products. It offers chip, staple fiber, spin draw yarn (SDY), partially-oriented yarn (POY), draw textured yarn (DTY) and conjugate hollow fiber. The company was founded in 2008 and is headquartered in Rayong, Thailand.

Tri Energy Co. Ltd. generates and distributes electricity. The company is headquartered in Bangkok, Thailand.