Granite Gantry bụ usoro nrụpụta ọhụrụ maka nkenke CNC, igwe Laser… igwe CNC, igwe Laser na igwe ndị ọzọ ziri ezi na-eji granite gantry nwere oke zuru oke.Ha bụ ọtụtụ ụdị granite ihe n'ụwa dị ka American granite, African Black Granite, Indian Black granite, China black granite, karịsịa Jinan ojii granite, nke dị na Jinan obodo, Shandong Province, China, ya anụ ahụ mma mma. karịa ihe ndị ọzọ granite anyị maralarị.Granite Gantry nwere ike inye ezigbo arụmọrụ dị elu maka igwe kwụ ọtọ.