| we can supply DIN27911 无缝钢管Here 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.产品执行标准GB/T 8162-1999 GB/T 8163—1999 GB/T3087-1999 GB/T5310-1995 以及国外（美标ASTM A106、ASME B 36.10、API 5L、API 5CT、德标DIN17175、DIN27911等各个国家标准）． “一握海龙手，永远是朋友”。我们真诚期待与您的合作。 | 
