Since an establishment in 1974, Thai Special Wire Co., Ltd. (“TSW”) is a joint venture of Nippon Steel SG Wire Co., Ltd., (“NSSG”) the pioneer manufacturer of specialty steel in Japan, Sumitomo Corporation and Thai investors.

TSW started manufacturer PC Wires as the main product in the beginning (until 2016), along with operation history; meanwhile the production of Spring Wires (Hard Drawn Wires & Piano Wire) had been started in 1981 , also fully installed a Patenting line for High-Quality Piano Wires in 2014 and then investment the first facilities in Thailand for Oil Temper Wires operation in 2016 by the reliable technology transferred from NSSG respectively.

Nowadays TSW’s high value products have been continuing developed to support the important and various industries of the country & worldwide such as automobile, motorcycle, home and office appliances etc., which an emphatic aiming to reach the customers quality requirement in the current day and for the future growth as well.