... and chromate plating 3.ISO9001:2008 4.Manufacturer Brass Fittings 1. Product IntroductionItem DescriptionNamebrass fittingsMaterialBrass, Copper, Carbon ... : CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, nut; Auto-lathe turning precision part ... Rockwell hardness tester, hydraulic valve test bench, micrometer, thread ring gauge and plug gauge and other regular gauges ...