Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering Low-Profile Motorized 220V AC Electric Actuator 20nm Torque for Smart Window and Ventilation Control, Corrosion-Proof Marine Electric 316L Stainless Steel Motorized Actuator with Cathodic Protection for Desalination Plants, UV-Resistant Outdoor Electric Actuator Motorized for Solar Tracking and Renewable Energy Systems and so on.