... :ISO9001:2000,CE.Size: 1/2"-48"Material: stainless steel,carbon steel,alloy steelStandard: ANSI,JIS,BS,DIN,ASME,API,GB ... internatination packing in bundles*******About our companyQingdao EVK Industrial Co.,Ltd is the professional manufacturer and exportor of flange,valve ... are sincerely welcome your valuable inquiry and questions. stainless steel API 3PE anticorrosive steel pipe with good quality