... Standard: ASTM,DIN,BS Material:ASTM A234 WPB ASTM A106 seamless pipe with good quality :high quality,low price,multi-standardCertificate ... packing in bundles******We can supply all kinds of pipes, seamless pipe,straight steel pipe,square pipe,spiral pipe ,and so ... as soon as possible.*******About our companyQingdao EVK Industrial Co.,Ltd is the professional manufacturer and exportor of flange,valve and ...