... , Nickel plating and chromate plating 3.ISO9001:2008 4. Manufacture Float Valve1. Product Introduction Item DescriptionNameFloat ValveMaterialBrass, CopperSurface TreatmentZinc ... meter lathe, pressing and forging machine, polishing equipment, etc.(4) Main inspection devices: digital projector, Rockwell hardness tester, ... village, Huanxiu street, Jimo, Qingdao, Shandong province, China Float Valve