[Baike small diameter seamless steel pipe factory supply @ @ small diameter seamless steel pipe 13506351437 [Baike] supply @ @ small caliber of the small diameter seamless steel pipe plant thick-walled seamless steel pipe 13506351437 
 Shandong David poly pipe materials Co., Ltd. is an exclusive seamless steel pipe, alloy tube, high pressure alloy pipe, 15crmo alloy tube, 12cr1movg alloy tube, alloy tube of large diameter stainless steel plate, boiler tubes, large enterprises. After nearly a decade of efforts, has become a large-scale sales base alloy pipe has established stable supply relationships with major power plants, boiler plants, petroleum, chemical, mechanical plant and other enterprises have been. Company annual cash sales smelting steel, clad steel, steel, Baosteel, Tianjin, Xining and other major steel alloy pipe, seamless pipe, structural tubes, fluid tubes, middle and low pressure boiler tubes, fertilizer professional tube and petroleum cracking tube, power tube as well as some of the imported alloy tube. The company follows the honesty and genuine, the purpose of quality service to win the favor of customers, has established an extensive sales network, has a certain reputation. 
 13506351437 0635-8884437-8884537