Guangdong Zhaoqing Xijiang Machinery Manufacturing Co., Ltd. is the first in the development and manufacture of corrugated packaging machinery companies, China's first single facer was born in Guangdong Zhaoqing. Over the years, with Taiwan and Europe and other advanced technology, research and development for with Chinese characteristics, three, five, seven and multi-function corrugated cardboard production line. Siemens SM440 computer system uses advanced control system, with a full range of aspects of control, process control and production management of overall control. BHS in 2003 with the German co-operation in Dalian successful cooperation between companies manufacturing high-speed machine control computer wide corrugated board production line, speed up to 300 m / min. The full range of three \ e \ seven corrugated board production line speed range: 150M/min-- 300M/min. Effective width: 1400mm-2500mm.