... 4.Quality consistence Three-way valve for sanitary product 1.Item Name:Three-way valve for sanitary product. 2.Advantage:Fine ... micrometer, inside micrometer(machine),digimatic micrometer, internal micrometer, mechanical caliper , vernier caliper ,caliper(digital),caliper(machine),caliper( ... control3.100% inspection before shipment.11.Three-way valve can be produced by large quantities.(Hardware parts) ...