CNC Granite Base jẹ nipasẹ Black Granite.ZhongHui IM yoo lo giranaiti dudu to wuyi fun Awọn ẹrọ CNC.ZhongHui yoo ṣe awọn iṣedede deede to muna (DIN 876, GB, JJS, ASME, Federal Standard…) lati rii daju pe gbogbo ọja ti o lọ kuro ni ile-iṣẹ jẹ ọja to gaju.Zhonghui dara ni iṣelọpọ konge ultra, lilo awọn ohun elo oriṣiriṣi: bii giranaiti, simẹnti nkan ti o wa ni erupe ile, seramiki, irin, gilasi, UHPC…