Brass Valve 1.Material:brass 2.ISO9001:2008 3.Produced by punching machine and CNC machine 4.Package individually Brass ... CO., Ltd.(2) Main products: CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, nut; Auto-lathe ... .(4) Main inspection devices: digital projector, Rockwell hardness tester, hydraulic valve test bench, micrometer, thread ring gauge and plug gauge and ...