... approval 3. ISO9001 quality certificate 4. OEM requires opt A/C Coil Copper ManifoldRefrigeration manifold, copper pipe manifold, copper ... conditioner coil, air conditioner coil, a/c coil, a/c manifold, copper distributor, copper connector, a/c coil manifold etc.ItemDARMaterialHAILIA01-16.3520. ... various copper bend, tripod etc. More than 10 year's experiences in this line. ISO9001 & SGS Certificate. ...