Qingdao great Valves Co., Ltd. has passed ISO9001 quality management system certification. Our excellent quality control, on-time delivery, and good after-sales service enable us to guarantee total customer satisfaction and expand the global sales network. We are currently exporting our products mainly to the USA, Canada, Japan, Russia, UK, France, Italy, Germany, Finland, Spain. Poland and other European areas. Our product tenet is easy to use and hard to defeat！Cooperate with TUER, making the installation easy and flexible! Our products: Check Valve, Api Valve, Gate Valve, Ball Valve, Globe Valve, Plug Valve, Control Valve, Y Strainer,etc.