Nyob zoo, tuaj nrog peb cov khoom!
Txais tos rau peb lub tuam txhab
Shengping minerals tau teeb tsa hauv xyoo 2014 ntawm Shijiazhuang nroog Hebei xeev. Peb muaj ntau tshaj 10 xyoo export kev. Peb lub tuam txhab muaj ntau tshaj li 7000 square meters khoom ua cheeb tsam. Peb muaj ob lub department: raw khoom ua department thiab mineral khoom sib sib zog nqus ua department.