Ningbo VZ automatic doors Co., Ltd. is located in Ningbo city of China and nearby Shanghai and Ningbo port, which is a professional enterprise specialized in researching, designing, manufacturing and selling automatic sliding door operators, automatic swing door operators, automatic telescopic door operators, automatic revolving door operators, hospital hermetic door operators and high quality automatic door accessories: brushless DC motors, sensors, controllers,etc. Our company attained ISO9001 certification, CE certification and ISO14001: 2004 Environmental Management System Certification.