1.The main body has a smooth mirror finish without pits or blowholes; threads are uniform and intact.
2.Toggle the handles repeatedly — smooth rebound with no jamming, and cams stay undeformed.
3.Assemble and conduct water pressure test; no seepage or dripping allowed.
Address: High-Tech Industrial Park, Laoshan,Qingdao China
Phone: 86-532-88910996
Email: info@yingliqd.com