This is Jessie zhao from Cangzhou Baolong Steel pipe Co., Ltd.. We offer carbon steel pipes covering seamless and welded steel pipes according to API 5L PSL-1 and PSL-2. ASTM A53, and EN 10217-1, and EN 10219-1, DIN 17175. We also offer stainless steel pipe with OD 16mm to 219mm of steel grade 200 201 202 301 304 316 316L 410. contact: jessie at blsteelpipe2 at gmail dot com skype: jessie830916 MSN: xuan9903 at hotmail dot com