51吃瓜

?? ??????? ?????? ?? ??? ??? ??? ????? ?? ?????? ??? ??????? ???????? ?????? ?? ??? ?? ???? ?????? ???? ??. ??????? ???????? ?????? ?? ??? ????????? ????? ???? ??? ??? ?? ?????? ???? ??? ????? ?????? ??????? ?? ??? ???? ????? ?? ?? ??? ??? ?? ?????? ???? ???? ???? ?????? ?????? ?????? ??? ???????? ????? ?? ???. ????? ?? ?????? ???????? ??? ?? ??? ?? ???? ???? ?? ????? ??? ??? ???? ???? ?

1? ??????? ??? ????? ????? ????????? ??????? ?? ????? ???? ??? ?????? ????? ???????? ??????? ?? ????? ??? ????? ???? ???? ?????? ????? ?? ?????? ???? ???? ????? ??? ???? ??????? ?? ??????? ?? ????? ?????.

2、 Lightweight, made by extruding aluminum alloy profiles, with high strength, durability, and easy transportation. It can be shipped in bulk or assembled into finished products.

3? ?? ?? ???? ???? ??? ??? ???? ?????? ????? ????????? ??????? ?? ??? ???? ?? ???? ??? ????? ??????? ??????? ??? ???? ??? ?? ?????? ?? ??? ?? ???? ???? ??? ???? ????? ?? ???? ??. ?????? ?????? ?? ??? ??? ?? ???? ?? ??????? ?? ????? ???? ???? ??.

4? ????? ??? ???? ??? ??? ??????? ??????? ??? ???? ??? ????? ???? ??? ???? ???. ??????? ????? ???? ??? ??? ??? ?? ?? ??? ?????? ?? ???? ????? ??? ??? ??? ?? ????? ?? ??????? ?? ???? ??. ???? ?? ?????? ?? ?? ??? ????? ????? ????? ?? ??? ?? ?? ????? ????? ?? ????? ??? ????? ????????? ??????? ??????? ?? ????? ???? ?? ?????