Bohai Company wholesale spot: diameter 10 to 457 seamless steel pipe, diameter 356,377,406,426,457,480,508,530,610,630,720 various thickness thermal expansion of seamless steel tubes, annual inventory More than 10,000 tons. The strength of the company, can be customized non-standard, thick-walled seamless steel pipe, can be customized according to customer requirements standards GB, ASTM, API, DIN, JIS and other electrical, chemical use high voltage seamless steel pipe, ship with seamless steel , fluid seamless steel pipe, and other products. Perfection of physico-chemical testing, nondestructive testing and other means to ensure top product quality. Over the years the company adhere to the "build quality, its commitment to continuous innovation, the most for perfection," the quality and "integrity management, create brilliant" marketing idea. Willing to ultra-low prices, ranging cargo interesting to you soon. We would like to warm, efficient service connection of your visit