Equipped with productive astm-b-777 tungsten alloy part factory,Website:http://www.metal-tungsten.com, Xi'an Kefeng Powder Metallurgy Co.,Ltd is a professional China astm-b-777 tungsten alloy part manufacturer.ASTM-B-777 Tungsten alloy pars, machining tungsten alloy part accordance with AMS-T-21014 standard, offer variety tungsten alloy materials as the custoer's requests.Wolfram partOffer: 90%-97%WNiFe and 90%-97%WNiCu Standard: accordance with ASTM-B777 and AMS-T-21014according to the customer's drawing and requests.