The products of our co***ny are through IS09001: 2000 quality system authentication, pass " products quality authentication of ASTM " of U.S.A We can supply COPPER TUBE: PANCAKE COIL, LWC coil, straight lengths, copper water tube, PVC & PE copper tube, Copper Tube For Water Gas And Sanitation, Copper Tube For Natural Gas And Liquefied Petroleum Gas Fuel Distribution Systems etc.