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Thai Special Wire Company Ltd.

Product / Service We Provide

Nature of Business

Manufacture piano wire for spring, hard drawn wire, p.c. wire & p.c. strand.

Year Established


Paid Up Capital

  • $6,022,502 USD

Quality Certification

  • ISO 14001:2015
  • ISO 9001:2015

Key Persons

President - Toshihide Hasui
Executive Vice President - Jun Kawaguchi
Executive Vice-President - Sophon Vipataphan

Company Background

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.

Main Shareholders / Parent Company

  • Sumitomo Corporation
  • Nippon Steel SG Wire Co., Ltd.


  • Bangkok Bank Public Co Ltd
  • Sumitomo Mitsui Banking Corporation
  • 44 Moo 7 Pathumthani-Lat Lum Kaew Road, (Highway No. 346 Km.18), T. Kubangluang
    A. Lat Lum Kaew, Pathum Thani, 12140, Thailand
  • +66 (0)2 9794820
  • +66 (0)2 5981347
  • Distributor Required
  • Partnership Required
  • Looking to Sell
  • Looking to Buy