 The mmepe na ngwa nke kpụ ọkụ nọnụ aluminum alloy oghere ingot na otutu larịị na-ekpo ọkụ nelu mgbatị oru ngo e nabatara Science and Technology Department of Qinghai Province, na ghọtara na ha ruru anụ ụlọ na-eduga larịị, na-ejuputa a ohere na ọrụ a na China. 