... 18-21,ShanghaiHuaxing Plastic Machinery Co.,Ltd have successfully developed a single,multi-layer co-extruded for PMMA shet extrusion ... sheet extrusion lines ,and appication of severaladvanced,precision technologies in plastics extrusion.After operating by customers in Shunder ... stably, and product's quality is excellent ,some technologies has reached the international advanced level. Currently,the ...