Technical Specification: Material Brass body, zinc handle Brass content 57-59% (customized) Cartridge Ceramic cartridge (KCG and Sedal cartridge are available) Surface treatment High Quality Chrome plated, other plating:antique copper, antique bronze, ORB, BN, etc. Layer of plating nickle 3.5-12 um (customized) Layer of plating chrome 0.1-0.3 um (customized) Acoustic level 18-19 db(A) at 3 bar with filter Acidity test >12 hours Saline chamber test >12 hours Water pressure for leakage test 10 kgs, no leakage Water Flow Wash basin faucet: 12 L/Min Bath shower faucet: 20 L/Min Life test 500,000 cycles Quality guarantee 3 years Certificates ACS, CE, ISO9000, CUPC, WaterMark, SASO, NSF etc.