China Hailiang Group is the world's largest manufacturers for copper and copper alloy Products including:copper tube,brass tube,copper fittings,brass fittings,copper alloy tube,copper water tube,insulated copper tubes and plastic-coated copper tubes,brass rods etc.
the Certifications approved for different products in different markets such as NSF,UPC,WHI and KITEMARK,SAI,SGS,SABS,C-TPAT etc,.