Hangzhou Tongbao Surface Treatment Equipment Technology Co., Ltd. is a modern science and technology manufacturing enterprise integrating R & D, design, production, sales and technical services. The company has a standardized factory building of more than 20,000 square meters. It is located in the central location of the Yangtze River Delta in the southeast coast of China-the provincial-level Tongxiang Economic Development Zone. The international airport is 130 kilometers and the transportation is very convenient.