1863 Pipe is made in wrought iron with furnace lap-welded seams 1893 First 30 inch dia pipe made in lap-welded 1899 First large diameter seamless steel pipe in 20 inch is made, thickness at 5/8 inch 1917 11 mile pipeline is using electric metal arc welding 1919 API (American Petroleum Institute) is charted. China Duct Seam Closer, Duct Seam Closer Manufacturers China Duct Seam Closer manufacturers - Select 2021 high quality Duct Seam Closer products in best price from certified Chinese Duct System, Duct Machine suppliers, wholesalers and factory on Made-in-China
Apr 07, 2012 · The company has the most advanced machines supplied by Swiss SPIRO Company for spiral tube and fittings making. Among these machines, there are JPX automatic pipe-making machine, R1530 plasma cutting machine, CU-30 seam welding machine, seamlock machine, COMBI T lock forming machine, fittingshaper 1250, etc. China Seamless Steel Pipe manufacturer, Straight Seam Apr 02, 2015 · Company Introduction. Cangzhou Shenlong Pipe Manufacturing Co., Ltd. is located in "Chinese pipe manufacturing base, " Hebei Yanshan Macun Industrial Development Zone, is a manufacturer of steel pipe and pipe fittings. The company occupies 60, 000 square meters. It's annual output of various kinds of steel pipe and pipe fittings is about 80, 000 tons. China Spiral Hose, Spiral Hose Manufacturers, Suppliers China Spiral Hose manufacturers - Select 2021 high quality Spiral Hose products in best price from certified Chinese Water Pipe, China Hose suppliers, wholesalers and factory on Made-in-China
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