JINXING Metal has more than 10 years experience to produce the copper tungsten alloy. we use the advanced vacuum infiltration process and all of the product fulfill the standard of GB/T8320-2003 and ASTM B702. Our copper tungsten equivalent to  5W3, 10W3, 10W53, A1WC, A10WC, A20WC, A30WC, 20W3, class10, Class11, Class12, CuW75, CuW70, CuW80, tungsten copper, CuW.