
???? ??????
        
      ??????? ?????? ????? PVC
- 
              
              ??????? ?????? ??????? PVC ? ??????? ?????? ???????Hubei AD Building Materials Co. ? Ltd. ?????? ?? ????? ?????? ????? AD PVC ????????? ???????. ???? ???? ????? ?? ?????? ...??? ????????
 - 
              
              ????? ??????? PVC-M ???? ?????? ?????? ?????? ???????????? Hubei AD Building Materials (17399989993) ?????? ????? ?????? ?????? ????? PVC-M ??? ???? ????? ?? SN25 ? ?????? ??...??? ????????
 - 
              
              PVC-U ?????? ??????? ??????????? ???? Hubei AD Building Materials (17399989993) ?? ????? ?????? ????? ?????? PVC-U ? ????? ???? ?????? GB / T1202.1...??? ????????
 - 
              
              AD UPVC ???? ?????? ?????? ?????? ????????? ???????: 17399989993 AD UPVC ???? ?????? ???????? ?????? ?????? ????? ?? ???? UPVC ????? ?????? ? ??????? ?????? ???...??? ????????
 - 
              
              AD UPVC ??????? ??????????? ???????: 173-9998-9993 AD ????? ????? UPVC ????? ?? ???? UPVC ????? ?????? ? ?????? ??????? ??? ?????? ?????? ???? ?...??? ????????
 - 
              
              AD PVC ????? ?????? ?????? ????????? ?? ?????? ?????? ?????? ???????? ? ?????? ?? ?? ????? ?????? ????? ??? ????? ???? ??? ??????????? ????????. ?????? ???...??? ????????