As a professional manufacturer and trader,we produce and export excellent pipe/tube according to standard ASTM/ASME A/SA 312,A/SA213, A/SA269, GOST 9941-81, DIN 17456 ,DIN 17458.
We have competitive advantage for our good quality and competitive price ,we mainly export to EUROPE AND AMERICA,which is our main market. We always try our best to serve our custom in time. Shangshang has a complete set of production and product management examination equipment that comprises such advanced equipme...
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