100% through the high and low pressure performance test, opening and closing torque test, water flow detection, quality testing, spool testing, material testing, overall tensile, rotary connection test, anti-siphon test, spray uniformity, plating testing, factory testing, heavy metal testing, safety testing, sealing performance testing, precipitation testing, hydrostatic testing, pulse testing, aging testing, life assessment testing, etc.. We ensure that every part and every finished product is delivered perfectly. Quality control is our most basic guarantee to our customers.