Ọkachamara China dị mma Calcium Metal Ndị nrụpụta na ndị na-eweta ngwaahịa. Ụlọ ọrụ owuwe ihe ubi bụ Calcium Metal emeputa na soplaya na China.Calcium metal bụ isi nzube nke ọla calcium bụ nhazi n'ime dara calcium ahụ, wee mee ka calcium ígwè waya ma ọ bụ dị ọcha calcium waya, nke a na-emecha na-eji 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.
