Piercing: refer to artifacts from the ordinary hole punch and mold machining process.
冲孔：指工件由普通冲床和模具加工孔的工艺过程。
The nozzle and manifold are connected with screw type which can avoid resin leakage caused by mold machining accuracy.
热嘴与分流板均采用螺纹连接，可以避免模具加工精度导致的漏胶问题；
Is a development and design, mold making, precision casting, machining, surface treatment as one of professional manufacturers.
是集开发设计、模具制作、精密铸造、机械加工、表面处理为一体的专业生产企业。
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