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This mold belongs to the two-time molding process and needs to be used in conjunction with a pre-formed mold

លក្ខណៈពិសេសនៃផ្សិតនេះគឺ៖

（1）300 t three-layer or five-layer press

（2）Add preformed blocks

（3）Multiple sets of molds are recycled, and the production efficiency is high

（4）The product quality is greatly improved compared with the flat die The main parameters of the mold are as follows: