Qinhuangdao Diya Mechanical Technology Development Co., Ltd. sells Kerotest valves from the United States. Kerotest Manufacturing Corp. is a supplier of valves and related equipment for the energy market, including natural gas distribution, oil and gas drilling, nuclear fuel, and municipal water supply markets. In 1989, they opened a manufacturing plant in Mansura, Louisiana, for the production of Kerotest instrument valves and polyethylene ball valves. The main products of American KEROTEST valves include: Kerotest gate valves, Kerotest globe valves, Kerotest ball valves, Kerotest needle valves, Kerotest metering valves, Kerotest insulators, Kerotest filters, and more. With reasonable prices, year-round supply, and service levels that will make your work easy and efficient! We welcome customers to contact us by phone or letter, and our company is dedicated to serving you.