-Establish- March 3 , 1988
-Operation- September 26 , 1988
-Paid up Capital- 88,000,000 Baht
-Shareholding Rate- Siam Steel International Public Company Limited 40%
Okamura Corperation 20%
Kansai Okamura MFG.,Co.Ltd. 20%
Metal One Corperation 20%
-Date of ISO 9001 : 2000 Cetificate- December 5 , 2007
-Date of ISO 14001 : 2004 Cetificate- Febuary 9 , 2006
-Date of JIS Cetificate- December 1 , 1989 September 28, 2006
-Date of TIS Cetificate- October 6 , 1997