Hai Feng Zeng

NatSteel Asia Pte Ltd. manufactures, and sells iron and steel products. The firm provides cut-and-bend reinforcement bars, wire rods, welded wire mesh, prefabricated cages, steel couplers and ecomas starter bar systems. The company was founded in 1961 and is headquartered in Singapore.

NSL Chemicals Ltd. manufactures environmental chemicals and specialty chemicals; provides oil sludge treatment services for oil tankers. The company is headquartered in Singapore.

BST Specialty Co. Ltd. is a Thai company that manufactures rubber products. The private company is based in Sathon, Thailand.

Bangkok Cogeneration Co., Ltd. supplies power generation. The company was founded in April 1996 and is headquartered in Bangkok, Thailand.

Eastern Pretech Pte Ltd. manufactures and supplies plasters and mortars. It offers precast concrete components and prefabricated bathroom units. The company is headquartered in Singapore.

BST Elastomers Co., Ltd. is a Thai company that manufactures synthetic rubbers. The private company is based in Bangkok, Thailand.

Bangkok Synthetics Co., Ltd. produces mixedC4 products for various downstream petrochemical industries. Its products include Butadiene, Butene-1, MTBE and C4 Raffinates. These products are raw materials of such downstream petrochemical industry asthe manufacturing of synthetic rubbers and plastic resins, which are essential parts in the form of medical devices, food containers, tires, shoes, auto parts, electric appliances and sports equipment. The company was founded in 1991 and is headquartered in Bangkok, Thailand.

Part of TRF Ltd., TRF Singapore Pte Ltd. is a company that manufactures trailers and semi-trailers for transport and logistics applications. The company is based in Singapore, Singapore.

York Transport Equipment (Asia) Pte Ltd. manufactures trailer axles, assembles trailer suspension kits and distributes truck and trailer components. It offers products through online. The company was founded in 1989 and is headquartered in Singapore.

NatSteel Holdings Pte Ltd. manufactures and distributes steel. Its products include reinforcement bars (rebars), DBIC & wirerods, cut-and-bend reinforcement bars, welded wire mesh (mesh), prefabricated cages (precages), steel couplers and carpet reinforcement. The firm offers upstream and downstream process capabilities. The company was founded on August 12, 1961and is headquartered in Singapore.

TS Global Holdings Pte Ltd. operates an investment holding company. The company is headquartered in Singapore.