???????? /+86-020-34691279
?? ?????? ???????? ?? ???? ???? ?????? ????? ????? ??? ????? ???????? ?????? ?????? ???? ????? ???????? ???. ????? ?????? ?????? ????? ???????? ??????? ??????? ???????? ??? ???? ???? ?????? ?? ?????? ????????? ?? ???????? ???? ???? ?????? ???????? ?????? ?????? ?????? ?? ?????? ??????? ???????? ?????? ?????? ??????? ......
????? ?????? ????????:
1. ?????? ???????????. ??????? ?????? ??????? ??????? ?????? ?????? ??????? ???????? ?????? ?????? ??????? ?????????? ???????.
2. ?????? ??????? ???? ??????? ????? ?? ??????? ??? ????? ??????.
3. ?????? ?????. ???? ????? ?????? ?????? ?????? ??? ?????? ?? ?????? ?????? ???????.
4. ?????????? ?????????. ???? ????????? ??????? ???? ????? ?? ????? ??????? ????????.
5. ?? ???? ??????? ???? ????? ??????? ?????? ??????? ??????? ??? ????? ???????? ????????.
6. ??? ????? ? 30 ???. ????? ?????? ?????? ???? PVC ?????? ??????? ?????? ??? ????????? ???? ????? ??????? ???????? ???????? ??????? ?????? ?? ???????.
7. ???? ??????? ?????? ???????? ??????? ???????.