Our company is Shandong's largest and most modern production, processing, operating in one seamless large enterprises 16mn seamless joint, annual sales of Chengdu Iron and Steel Group, Daye Steel Group, Baotou Steel, Baosteel Group, Anshan Iron and Steel Group, Tianjin Seamless, Xining Te steel, Wuxi Steel, Hengyang Steel and other major steel production of seamless steel tubes and alloy pipe tube - test - peeling - test - heating - piercing - pickling - grinding - dry lubricant - welding head - drawing - Solid Solution treatment - pickling - pickling passivation - test - cold - to oil - the first cut - dry - in polished - polished outside - testing - Identification - product packaging 1, the manufacturing method according to the different production methods can be divided into hot-rolled tubes, cold-rolled, cold drawn tubes, squeeze tubes. 16mn 16mn thick-walled seamless steel pipe _ Katherine source (certified) _ Qijiang district 16mn provided by source Pipe Co., Ltd. Liaocheng trillion. Liaocheng Katherine source Pipe Co., Ltd. (www.lczygg.com) Shandong Liaocheng, steel leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Katherine source leader in steel with the staff warmly welcome all inquiries negotiations to create Katherine source steel a better future.