Wenzhou precision tubes, precision tubes manufacturer, / (certified merchants) are provided by Owen Steel Co., Ltd., Shandong. Owen Steel Co., Ltd., Shandong (www.hfggxs.com) is a professional "alloy seamless steel pipe, precision seamless, fluid seamless steel tubes, welded steel pipe," the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Owen" brand has a good reputation. We adhere to the "first, users first serve" principle, so that for the steel pipe Owen won the trust of customers in the congregation, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Shandong Huafeng Steel Pipe Co., Ltd. is a company specializing in precision seamless steel pipe prices # 10, steel pipe, precision steel precision tubes, shaped steel precision tubes plants, welded pipe production and sales of the modern enterprise. Precision steel Process: Tube - Inspection - Skinning - test - heating - piercing - pickling passivation - grinding - dry lubricant - cold - to oil - the first cut - testing - Identification - product packaging Shandong Huafeng Steel Pipe Co., Ltd. is a company specializing in precision seamless steel pipe prices 20cr, steel pipe, precision steel, special steel pipe, welded pipe production and sales of the modern enterprise. Precision steel oil quenching can lead to deterioration of the surface. Since the surface-active, can occur significantly thin carburizing temperature at short film role, in addition, carbon black and oil in the adhesive surface heat treatment process is very unfavorable for simplification. Development of vacuum hardening technique include research performance, single-station gas quenching furnace.