Founded back in 1988, Kelly Valve Co., Ltd. (https://www.kellyvalve.com/) ranks among China’s premier makers of industrial and flow control valves, with production bases based in Xiamen, Fujian and Zhejiang Province. Boasting robust in-house R&D strength and cutting-edge production plants, the company complies with authoritative international specifications including ISO 9001, API 6D ... https://www.kellyvalve.com/