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We Torich International Co.,Ltd are a leading and distinguished Manufacturer, Exporter and Supplier of quality Coal, DOM STEEL TUBE, Drill Rods, Galvanized Pipe and Heat Exchangers.
(DOM)Drawn Over Mandrel : The first stages of manufacturing : ERW ,but in the finishing stages : Entire flash weld is removed and the tube is clod drawn over a mandrel.which provides the tube with a better dimensional tolerances,good surface finish and the strongest weld strength achievable.
Mr. Richard Shen (Torich International Co.,Ltd)
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, China
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