sheng xiang guo,suzhou rivow steel tube co.,lt
ASTM A53/A106/A179
ASTM A192/A210/A213/A500
API 5L/5CT
Gr X42/X52/X60/T55
DIN 17175/2448/2391
suzhou rivow steel tube co.,ltd is located in the heaven city---suzhou, closed to shanghai ,the convenient communication of the sealand, mainland and airland is full of latent business chances. welcome to suzhou!
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