Since our establishment, We have built technological cooperation with ASTAM, Japan , with products ranging from Dual Plate & Single Door Wafer Type Check Valve, Globe Valve, Gate Valve, Swing Check valve, Y-Strainer, Butterfly Valve and Ball Valve, as well as specialized design and manufacturing of all kinds of valves . Our products are exported all over the world, such as Europe, the U.S., Japan, South East Asia, and Asia, based on the principle of "stable quality, decreased production cost plus prompt delivery". Our company regularly implements on-job staff training, maintenance & correction of the measuring instrument, analysis and correction of defects, customers&＃039; complaints and services, we have acquired the ISO-9001, 97/23/EC (CE0035), API 6D (0656) certifications to ensure and guarantee the quality stability for your needs.We welcome your enquiries at any time and will offer at our best attentions immediately. Please make sure the merchandise you have purchased with our resgistered mark on it. *****