• Name : M.C.S. Steel Public Company Limited
  • Factory :70 Moo 2 Changyai, Bangsai,Ayuttaya 13290, Thailand.
  • Chairman of Board Director :Dr. Naiyuan Chi
  • Chief Executive Officer :Dr. Naiyuan Chi
  • Chief Planning Officer :
    Chief Operating Officer :
    Chief Marketing Officer
    Mr.Phairat Viwatborvornwong
    Mr.Pornchai Phisarnanukunkit
    Ms. Wanna Pholkaew
  • Established :June 1992
  • Registered capital :Bt 500 million (fully paid-up)
  • Employees :553 ( As of March 2019 )
  • Site area :250 Rai ( About 400,000 sq.m. )
  • Production building & office :85,500 sq.m.
  • Dormitory/canteen :15,000 sq.m.
  • Production capacity :70,000-80,000 tons/year
  • Business : Steel-planning, design, fabrication and erection

M.C.S. Steel Public Company Limited. is the leading steel fabricating Company in Thailand. Established in 1992, M.C.S. has more then 30 years of successful experiences in fabrication of high-rise steel structure building, power plant, bridge & general steel works.
With the most advanced manufacturing equipments, high standards & punctuality, we are now able to provide & export steel structure works for various projects worldwide, mainly in Japan with 50,000 tons per annual.

  • 2018

    • Increased investment in M.C.S.NASU Co., Ltd. from 66% to 98% and change name to M.C.S.-JAPAN Co., Ltd.
    • Operating as M.C.S.-JAPAN Co., Ltd. and completion of Land and Building with investment 300 million baht
    • Completion of factory XIII with investment of Bt49 million
  • 2017

    • Increased investment in M.C.S.STEEL-XIAMEN Co., Ltd. from 39% to 74%
    • Completion of New office with investment of Bt50 million
    • Completion of Robot Line, together with welding Robot machine with crane 20 tons with investment Bt225 million
    • Updated version ISO 9001:2015
    • Construction of Factory 13, size 6,000 sq.m.
    • New Office building was complete on August, 2017, size 5,200 sq.m.
  • 2016

    • Increased investment in M.C.S.STEEL-XIAMEN Co., Ltd. from 12% to 39%
    • Divestment in Posco China Dalian Steel Fabricating Center
    • Increase investment in Tanaka Welding Center Co., Ltd. from Bt40 million to Bt99 million
    • Approved the investment budget of 200 million baht to install automation machine (Robot Machine) Factory No. 8
    • Improved product stock yard near the Warehouse
  • 2015

    • Increased investment in M.C.S. NASU Co., Ltd. from 66% of Bt9.67 million
    • Certificated ISO 14001 From URS issued 24 January 2015
  • 2014

    • Decreased investment in M.C.S. STEEL-XIAMEN Co., Ltd. from 80% to 45%
    • Completion of factory XII, together with crane 40 tons with investment of Bt75 million
    • Completion of blast room, together with machine with investment of Bt12 million
    • Completion of paint room, together with machine with investment of Bt15 million
    • Completion of new pre assembly, together with crane 50 tons with investment of Bt15 million
    • Completion of set up new machines and cranes in factory with investment Bt50 million
    • Complement with new rack and equipment in factory with investment Bt32 million
    • Investment in Posco China Dalian Steel Fabricating Center 49% of Bt95.34 million
    • Divestment in M.C.S. STEEL Japan Co., Ltd.
    • Decreased investment in M.C.S. STEEL Xiamen Co., Ltd. from 45% to 12%

MCS Steel Public Company Limited is a steel fabricating company. Moreover, as part of its ongoing policy to enhance the standard of living of staff members, the company also provides a peaceful residential area for company staff as well as inspectors sent to MCS by clients.