Zụrụ ọnụ ala ụlọ ọrụ mmepụta ihe dị elu Calcium ọla emere na China. Harvest Enterprise bụ High Purity Calcium Metal emeputa na soplaya na China.Calcium ígwè isi nzube nke dara calcium bụ hazie n'ime dara calcium ahụ, na-eme ka calcium ígwè waya ma ọ bụ dị ọcha calcium waya, nke na-emecha na-eji na refining nke ígwè na ígwè. Ọrụ ya bụ desulfurize na deoxidize na ịbawanye fluidity nke nchara a wụrụ awụ na iji kwalite ngwa ngwa nke inclusions na nchara a wụrụ awụ, nke a na-ejikarị eme ihe maka mmepụta ígwè dị elu. eji dị ka desulfurizert na mmanụ ụgbọala ụlọ ọrụ , na-eji deoxidize ma ọ bụ desulfurize na metallurgical ụlọ ọrụ. Otú ọ dị, calcium ogige nwere oké mbara ngwa, karịsịa na-ewu ụlọ ọrụ.
