insights

[vc_row][vc_column][vc_custom_heading source=”post_title”][vc_column_text] First,recycled low density polyethylene (LDPE) process LDPE, the scientific name of high-pressure polyethylene, generally refers to plastic packaging film. Such as: woven bag

[vc_row][vc_column][vc_custom_heading source=”post_title”][vc_column_text] The problem of shrinkage of plastic parts (surface shrinkage and internal shrinkage) is due to defects caused by insufficient filling of the melt