3/4'' Brass Gate Valve 1.Material: brass 2.Finish: Zinc plating, Nickel plating and chromate plating 3.ISO9001:2008 3/4'' Brass Gate Valve1. ... , meter lathe, pressing and forging machine, polishing equipment, etc.(4) Main inspection devices: digital projector, Rockwell hardness tester, hydraulic ... : Xishanqian village, Huanxiu street, Jimo, Qingdao, Shandong province, China 3/4'' Brass Gate Valve