| we can supply API 5L Gr.BHere are brief introduction of our company:CANGZHOU HAILONG PIPE Co.,Ltd is one of the major enterprises specialized in production and sales of steel pipe and pipeline fitting in North China, located in Yanshan Industr ial Zone , Hebei Province. Company covers 80,000 square meters and a building area of 20,000 square meters, with total assets of 90 million yuan.我公司常年出口美标ASTM A106/A53/API 5L GR.B无缝钢管,规格:1/2“-32“壁厚:SCH10-SCH160,有需求者可随时与我公司联系! | 
