Zhejiang Xianfeng Machinery Co., Ltd. established in 1970, we are the First Professional Manufacturer for Automatic Gate Operators in China. There are more than 600 employees and 100 research and development engineers, with a strong design and production capacity. We have issued the China Automatic Gate Operator Industry Standard in the year of 1989. Our company has been upgraded to the biggest and professional manufacturer of Automatic Ga......