[Precision seamless tube], 20cr precision seamless tube manufacturer, dry billion Precision Tube million provided by the dry precision tubes. Dry Pipe Co., Ltd. Liaocheng million (www.sd304.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! Professional management of a variety of precision steel tubes, precision seamless steel tubes, precision steel 45 #, precision bright steel, cold drawn / rolled seamless steel pipe, hot / 45 # thick rolled seamless steel precision seamless tube, capillary pipe, small-diameter pipe. Production of steel for reinforced connecting sleeve fields, construction, mining, textile, electricity, boiler, machinery, military and so on. Company with a good reputation and quality products, a strong, low price reputation more than 30 provinces, municipalities and autonomous regions, municipalities and foreign 20cr precision seamless tube manufacturer, the product won user dependent. High-tech company based on the production of high precision steel pipe, sophisticated production equipment, testing equipment, can be oxygen annealing (NBK). Annual production capacity of 25,000 tons, the quality management system Q345B seamless precision manufacturers, has passed the ISO9001: 2008 and TS16949: 2009 quality system certification. Company according to national standards (GB), American Standard (ASTM), German standard (DIN), Japan Standard (JIS), the European standard (EN) organization of production, product specifications outer diameter cold drawn steel pipe φ10-φ370mm, wall thickness of 1 -32mm, the technical requirements to meet the standard requirements or mutual agreement.