[] _ The production of thin-walled precision steel thin-walled precision steel precision tubes million _ Dry Dry million provided by the 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! Our factory is specialized in the production of hot-rolled seamless cold drawn manufacturers, according to customer requirements, producing a variety of precision seamless range is as follows: 1: OD: Ф15-219mm; 2: Wall thickness :1.5-25mm; 3: Surface roughness: Ra = 0.2,0.4,0.6,0.8 4: Size Accuracy: H7 ~ H10 5: Standard: GB/3639 ─ 2000; GB/8723 ─ 99 6: Material: Material: 10 #, 20 #, 35 #, 45 #, 16Mn, 27SiMn, 12Cr1MoV, 40Cr, 10CrMo910, 15CrMo, 35CrMo, A335P22 so on. 7: Features: inner and outer diameter dimensional accuracy (tolerance) strict internal and external surface roughness, roundness, straightness, uniform thickness precision seamless tube. Liaocheng dry one hundred million Industry Development Co., Ltd. is located in Liaocheng City, Shandong Province, Wang Zhuang Industrial Park, convenient transportation thin-walled precision steel tubes, thin-walled precision steel production information flow, beautiful environment quality thin-walled precision steel wholesale, is a professional production of cold-rolled precision steel manufacturer. The company has a number of high-precision finishing rolling mill production line can produce all kinds of precision cold-rolled tubes, DIN series of high precision seamless bright, dedicated hydraulic system pipes, automobile manufacturing special steel, motor casing pipe with the finishing, machining with precision seamless steel tubes, and custom precision steel various national standard, non-standard, cut length according to user needs.