... 2, we have more than 20years to make mold 3,high quality used for 5-10 years Special Strengths1,We are recongnized ... more than 20 years' experiencein the extrusion mould industry4,The high quality moulds can be used for 5 years.5,The product ... Machinary Co.,Ltd2,Shanxi Qinchuan Machinary Co.,Ltd3,Zhangjiagang Lianguan Recycling Technology Co.,Ltd4,Qindao Yijinhua Plastic Machinary Co.,Ltd and ...