求翻译：赛尔公司对现有市场中使用的射芯机和重力浇铸机设备进行了升级及改造，尤其是对送砂过程及操作进行了突破性设计是什么意思？

Purcell's core shooting machine used in the existing markets and gravity casting machine equipment upgrading and transformation, especially in a breakthrough design process and operation of the sending sand

In the Company's existing in the market for used cell phone radiation and gravity casting machine equipment for the upgrade and conversion, and especially to the sand and the breakthrough design

The Syre company the explosion type core blower and the gravity casting machine equipment which used for the existing market in has carried on the promotion and the transformation, sent gifts to each other in particular the granulated substance process and the operation has carried on the unpreceden

Game company on core shooting machine used in existing markets and gravity casting machines equipment upgrades and modifications, in particular a breakthrough design of the abrasive processes and operations

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