Zhongsu Screw Co., Ltd is one of the largest manufacturers in china.We specialized making all kinds plastic screw barrel for machine.As factury direct,all with high competitive price and good quality. We strictly select high-quality alloy steel ...

Hunan Fumach Foodstuff Engineering & Technology Co., Ltd. has engaged in food engineering and technology research since 1995, there is a professional team composed of experts, who have studied the world\'s most advanced twin-screw extruder extrusion ...