Kelly Valve Co., Ltd. (https://www.kellyvalve.com/ ), founded in 1988, is a leading manufacturer of flow control and industrial valves, with advanced production facilities in Xiamen and Zhejiang, China. Our dedication to excellence is supported by cutting-edge R&D capabilities, modern manufacturing technologies, and strict adherence to international standards, including ISO 9001, API... https://www.kellyvalve.com/