In the selection of the mold, specifically to the use of the mold which we all parameters should be understood mold, according to the product the required shape and then molded, to determine what the upper mold.
In the selection of upper mold, the specific use of which type of upper mold, we should understand the parameters of all molds, and then according to the desired shape of the product, to decide what upper mold to use.
When selecting the upper die, we should know the parameters of all the dies, and then decide which one to use according to the shape of the products to be formed.<br>