Sand Blasted Brass Nut Pipe Fittings HPb59-1, C3771 ASME, ANSI, JIS, DIN GB/T9001-2000; ISO9001-200; ISO14001; CJ/T111-200 Sand Blasted Brass Nut Pipe Fittings1) H59-1 Brass,through advanced hot forging and cold maching process.2) All the items supplied are made of the best quality material.3) 20 years’ experience in manufacturing and exporting this product.4) Items can be customerized according ...