his is Jessie zhao from Cangzhou Baolong Steel pipe Co.,Ltd.. We offer carbon steel pipes covering seamless steel pipe, ERW steel pipe, and SSAW steel pipe with American standard API 5L. 5CT, ASTM A53,and European standard EN 10217-1, and EN 10219-1. We also offer stainless steel pipe with OD 16 to 219mm of material 200 201 202 301 304 316 316L