insights

[vc_row][vc_column][vc_custom_heading source=”post_title”][vc_column_text] 1. Forming method. Choose from two basic material types. (1) Hot working tool steel that can withstand relatively high temperatures during die casting,

[vc_row][vc_column][vc_custom_heading source=”post_title”][vc_column_text] First of all, the chemical composition of steel is very important. The higher the alloy composition of steel, the harder it is to