Rayong Wire Industries Public Company Limited is a Thailand-based Company engaged in manufacture and distribution of steel wire products. the Company offers construction products, which include steel wires for prestressed concrete wire ( PC-Wire), steel wires strand for prestressed concrete (PC-Strand), wire mesh and ordinary low carbon steel wires, and industrials products, which include gas metal arc welding wire and hard drawn wire. Its customers include manufacturers of concrete products such as foundation piles, prestressed concrete poles, prefabricated concrete floors and prestressed concrete bridge girders; government contractors, and the Metropolitan Electricity Authority of Thailand. The Company has its headquarter and production site located in Map Ta Phut Industrial estate, Rayong province. It also operates a branch office in Bangkok.