??????? ??????? ??????? ??????? ???: ???? ??? ??? ?? ????? HDPE ?? ??? ????? AD ? ???? ????? ?? PPR ?? ??? ????? AD ? ???? ????? PVC ?? ??? ????? AD

??????? ??????? ??????? ??? ?????? ??????: ???? ??? ??? ?? ????? HDPE ?? ??? ????? AD ? ???? ??? ????? ?? ??? ????? AD

??????? ??????? ??????? ??? ?????? ??????? Hongqiao: ???? ??? ??? ?? ????? AD HDPE ? ???? ????? AD PVCU ? ???? ??? ??? ?? ????? ????? ??? AD PVC-M

??????? ??????? ??????? ??? ?????? Qingdao Jiaodong: ???? ??? ??? AD PE

??????? ??????? ?? ??? ???-?????-??????: ???? ??? ??? AD PE ? ???? ??? ??? ??? ??????? ????? ??? ?? ?????? ?????? AD PE

??????? ??????? ??????? ??? ?????? ?????? ???????: ???? ????? ?? ??? AD HDPE ? ???? ??? ??? ?? ????? HDPE

??????? ??????? ??????? ??? ?????? Hangzhou Xiaoshan: ???? ????? ?? ? ????? ??? AD PE

??????? ??????? ??????? ????? ???????: ???? ????? ?? ? ????? PVCU ?? ??? ????? AD ? ????? ??? PVCU

??????? ??????: ???? ????? PVCU ?? ??? ????? AD ? ???? ???????? PVC

??????? ??? ?????? ?????? ????: ???? ????? PVCU ?? ??? ????? AD ? ??? ???? ??? ?????? ?? ????? PVCU

??????? ??? ??? ?????? ??????? Hongqiao: ??? PE ?? ??? ????? AD ? ???? ?????? ?? ?? PERT

??????? ???????? ????????: ???? ?????? ?? ?? PERT ?? ??? ????? AD

??????? ?????: ???? ?????? ?? ????? HDPE ?? ??? ????? AD ? ???? ????? ?? PPR

??????? ??? ?????? ??????? ????: ???? ?????? ?? ????? HDPE ?? ??? ????? AD ? ??? ???? ??? ????? ?? HDPE ???????

??????? ??? ??? ?????: ???? ?????? ?? ?? PERT ?? ??? ????? AD

??????? ???????: ???? ??? ??? ????? ?? ? ????? ??? ????? ???? AD

??????? Taizhou: ???? ??? PE ?? ??? ????? AD

?? 1 ???? Hangzhou: PE ?? ??? ????? AD ? ???? ??? PVC ???? ????

???? ???: ???? ??? PE ???? AD

?? 14 ???? ???????: ???? PE AD

?? 5 ???? ????: ???? ??? ??? AD PE