?????? ????? ???? ???? ??????: AD Brand HDPE Double Wall Corrugated Pipe ? AD Brand PPR Water Supply Pipe ? AD Brand PVC Drainage Pipe

Capital International Airport Application Products: AD Brand HDPE Double Wall Corrugated Pipe ? AD Brand PE Pipe

Shanghai Hongqiao International ?????? ???????: AD HDPE Double Wall Corrugated Pipe ? AD PVCU Drainage Pipe ? AD PVC-M ???? ?????? ?????? ?????? ????????

Qingdao Jiaodong International Airport Application Products: AD PE Series Pipe

Hong Kong-Zhuhai-Macao Bridge Application Products: AD PE Series Pipe ? AD PE Steel Belt ???? ?????? ?????? ????????

???? ?????? ?????? ?????? ????? ????????: AD HDPE Series Water Supply Pipe ? HDPE Double Wall Corrugated Pipe

Hangzhou Xiaoshan International Airport Application Products: AD PE Series Water Supply and Drainage Pipe

Zhoushan Putuoshan Airport Application Products: AD Brand AD Brand CPVU Water Supply and ??????? ???????? ???? ??????? ???????? ? ?? ???? ??????????

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