Profile: Wuxi Wong Lee Valve industrial Co., Ltd. specializes in manufacturing valves and accessories. Our butterfly valves sealed with rubber or PTFE, which leads to lower friction between disc and sealing surface. Our butterfly valves also actuated for throttling. We design product for meeting most of popular international standards such as API and ISO. Our pneumatic actuators features compact double piston rack wheel structure, angular stroke output and large & stable output torques.