David Steel Materials Co., Ltd. Shandong Poly is a professional committed to seamless steel tubes, alloy steel pipe reserves and sales of large corporate entities, is the North's largest base alloy pipe stock, was in the petrochemical, power plants as the major alloy tube, seamless delivery of specified units of the major suppliers: oil refinery, chemical plants, power plants, water, plumbing, boiler plant and other departments. 

 David Steel Materials Co., Ltd. Shandong sold together seamless: 20 seamless pipe, seamless pipe 45, 16Mn seamless steel pipe, 27SiMn hydraulic pipe, GB3087 in the low-pressure boiler tubes, GB5310 high-pressure boiler tubes. Alloy tube: 12Cr1MoV alloy tube, 15CrMo alloy tube, 12Cr1MoVG high pressure pipe, 15CrMoG high alloy tubes. Seamless implementation of international GB8162-2008 (structural pipe), GB8163-2008 (fluid pipe), GB3087-2008 (low and medium pressure boiler tubes), GB5310-2008 (high-pressure boiler tubes), GB6479-2000 (fertilizer dedicated pipe), GB9948-2006 (petroleum cracking tube), etc. 
 Purchase high-quality seamless steel pipe: structure tubes, fluid pipes, boiler tubes, alloy pipe, stainless seamless steel pipe to steel materials Co., Ltd. Shandong hung together! (Steel pipe prices, seamless steel pipe prices, seamless pipe prices, alloy pipe price) please Call 
 Shandong Hong poly pipe materials: specifications the most homogeneous, best quality, lowest price, best service! Warmly welcome new and old customers to "Jiangbei Water City" business links, travel and tourism!