... Import and Export Co., Ltd, has developed into seamless steel pipe, stainless steel pipe/plate, alloy steel pipe.. We are one of the biggest agent of ... .Certification: API, SO9001,ISO9002 We supply various types of steel pipes as ASTM, API5L, API5CT, ANSI, EN, BS, DIN, JIS ... *3-100mmLength6-12M or as your requirements.StandardASTM A53, ASTM A106, API 5L, DIN1626,JISG3452,JSSG3457MaterialGR.A GA.B ...