XINQIU VALVE.XINQIU VALVE is a professional ball valve manufacturer established in Wenzhou, Zhejiang in 2003. The company fully utilizes CAD (Computer-Aided Design) and organizes production in strict accordance with the ISO 9001 quality management system standards to ensure reliable product quality. Its product range includes ball valves, eccentric ball valves, fully welded ball valves, flanged fixed ball valves, and insulated ball valves, capable of meeting the needs of various industrial applications. These valves have been widely adopted by customers nationwide in industrial piping systems across the petroleum, chemical, metallurgical, power, defense, and various engineering sectors, serving as critical components for fluid control in these fields.