... parts using RKC and Siemens famous brand PP hollow grid board production line 1,Wall thickness: 2-12mm 2,customized size: ... production line is widely used in the field such as car industry, electronics industry, hardware, food and beverage, chemical plastic, instruments ... , rely and contactor using Siemens brand. The hollow sheet extruding plant is consisted by following items: 1 Single screw extruder ...