Siam & OP Co.,Ltd. shares the same location as its parent company, Top Tube Manufacturing Co.,Ltd.
Essentially, Siam & OP Co.,Ltd. is a trading company dealing in carbon steel pipe, parts for automobiles and motorcycles and pipe for electrical appliances. Another business line includes manufacturing high precision small dimension steel tubes to order for Top Tube Manufacturing Co.,Ltd.
The company currently has a registered capital of one million Baht.