?????:???? ?????? ?? ????? ??? ???????? ?? ?? ???? ?????? ??? ???? ??? ??????? ???? ????? ?? ?? ??? ????? ??? ???? ?? ???? ??? ???? ??? ?????? ????? ?????? ??? ???? ???
???? ?????? ?? ????? ??? ???????? ?? ?? ???? ?????? ??? ???? ??? ??????? ???? ????? ?? ?? ??? ????? ??? ???? ?? ???? ??? ???? ??? ?????? ????? ?????? ?? ??? '?? ????? ?? ???? ???:
1. ???????? ??????: ???-??? ???????? ???? ???-??? ?????? ?????? ??? ????? ?? ???? ????? ?? ??? ?? ???? ??? ???? ?????? ??? ????? ?? ?????? ????? ????? ?????? ??? ????? ??, ?????? ?? ??? ??????, ?????...
2. ??????: ??????? ???? ?????? ?? ???? ?? ?????? ??? ????? ???? ????? ????? ?????? ??? ???? ?????? ??? ??? ?????? ???? ????? ?? ??? ??? ???? ????? ??????? ???? ???, ???? ?????? ??? ??? ?????? ???? ????? ?? ?? ??? ??? ???? ???? ?? ????, ??? ?? ??? ????? ?????? ???????
3. ????? ???? ????? ?? ???????: ???? ????? ???? ????? ?? ??????? ?? ??? ???? ??? ???? ???? ??????????, ???????? ???????, ??? ???????? ???? ????? ???? ????? ??? ?? ????? ??? ??????? ??? ??????? ???? ???? ???? ???? ?? ???? ?? ??? ??????? ???? ????? ?????? ?? ??? ??? ??? ???? ?? ???? ???
4.After-sale service: as important element of purchasing equipment, we should choose the mining equipment industry with high reputation, standardization, and scale.





















