www.auto-opener.comZhejiang Xianfeng Machinery Factory is a large enterprise under China Weapons Equipment Corporation, It was founded in 1970 and has the right to directly handle import and export business. The factory is specialized in manufacturing Automatic Gate Operators, which are widely used for sliding gates, swing gates, rolling doors and barriers.It has produce the military knife,gear rack,PPR-pipe,transmitters,remote controllers,etc.