(1) No leakage (100% testing before delivery); (2) Small hydraulic resistance; (3) Long service life (at least over 10 years) Laizhou Ginfulong Industry & Trade Co., Ltd. is one of the largest manufacturer engaged in injection molding products. We supply PVC ball valve, PPR ball valve, POM pipe fittings, faucets as well as hand shower and accessaries.1. Specification: 1/2"(φ20), 3/4" (φ25), 1"(φ ...