corrugated paperboard production line for carton box 3 5 7 layer high speed production line

corrugated paperboard production line for carton box 3/5/7 layer high speed production line <br /><br />Yong Xiao <br />Dongguang Packaging Machinery Co., Ltd <br />E-mail:xinlongsheng@hotmail.com <br />web:www.red-hope.net