<ruby id="dxopm"></ruby>
    <nav id="dxopm"></nav>

      <var id="dxopm"><code id="dxopm"><meter id="dxopm"></meter></code></var>

      • ????? ???? ??????? ??????? ????? ??????? ?????? ?????????? ????????? 60 ???? ???? ????? ?????? ??.  ????? ?????? ???????? ???? ????????? ???????? ????? ??? ?? ??? ???? ????????? ????????????? ?????? ???????? ????? ??? ??.? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?  ?

        ???????

        ????? ???? ??????? ??????? ????? ??????? ?????? ?????????? ????????? 60 ???? ???? ????? ?????? ??. ????? ?????? ???????? ???? ????????? ???????? ????? ??? ?? ??? ???? ????????? ????????????? ?????? ???????? ????? ??? ??.? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
      • ?????? 1994 ??? IS09002 ?????????? ???????? ???? ??? ???? ????? ????????, ???????? ??????, ?????? ?????????, ???????? ???????, ???????? ??? ???? ????? ?? ??? ????????? ???????? ??????????? ??????? ??? ??????? ???.

        ???????? ????????

        ?????? 1994 ??? IS09002 ?????????? ???????? ???? ??? ???? ????? ????????, ???????? ??????, ?????? ?????????, ???????? ???????, ???????? ??? ???? ????? ?? ??? ????????? ???????? ??????????? ??????? ??? ??????? ???.
      • ????? ???? ???? ??? ??????????? ???? ??? ??? ?????????? ????? ??????? ?????? ??? ??.  ????? ??????? ???? ????? ???? ???? ????? ?????? ???? ??? ??.????????????????????????????

        ????

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

      ????????

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

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

      ????? ????? ???
      ???? ?????? ???? ?????? ????

      ???? ?????? ???? ?????? ????

      ????? ????? ???
      ?????? ????? ????? ???????? ????

      ?????? ????? ????? ???????? ????

      ????? ????? ???
      PP?? ???? ?????? ????

      PP?? ???? ?????? ????

      ????? ????? ???
      ?????? ?????? ??????

      ?????? ?????? ??????

      ????? ????? ???
      ?????? ????? ??????

      ?????? ????? ??????

      ????? ????? ???
      ?????? ???? ?????

      ?????? ???? ?????

      ????? ????? ???
      ?????? ???? ???? ???????

      ?????? ???? ???? ???????

      ????? ????? ???
      PERT ????? ???? ????

      PERT ????? ???? ????

      ????? ????? ???
      ????? O?????? ???? ???? ??????? ????? ?????? ????

      ????? O?????? ???? ???? ??????? ????? ?????? ????

      ????? ????? ???
      ????? ?????? ???? PERT 3 ???? ????

      ????? ?????? ???? PERT 3 ???? ????

      ????? ????? ???
      ????? ?????? ???? ???-???? ???? ????

      ????? ?????? ???? ???-???? ???? ????

      ????? ????? ???
      ???? ????? ?????? ???? ???-???? ????

      ???? ????? ?????? ???? ???-???? ????

      ????? ????? ???
      ???-???? ?? ???????

      ???-???? ?? ???????

      ????? ????? ???
      ???-???? II ????

      ???-???? II ????

      ????? ????? ???
      ????????? ??????????? ???????? ????

      ????????? ??????????? ???????? ????

      ????? ????? ???
      PE-AL-PE ??? ????

      PE-AL-PE ??? ????

      ????? ????? ???
      PEX-AL-PE ????

      PEX-AL-PE ????

      ????? ????? ???
      ?????-??-???? ????

      ?????-??-???? ????

      ????? ????? ???
      ????-??-???? ????

      ????-??-???? ????

      ????? ????? ???
      ??? ???? ?????? ???? ??????-???-???? ????

      ??? ???? ?????? ???? ??????-???-???? ????

      ????? ????? ???
      PPR-AL-PPR ????? ????

      PPR-AL-PPR ????? ????

      ????? ????? ???
      ?????-??-???? ????

      ?????-??-???? ????

      ????? ????? ???
      ??????? ??? ????

      ??????? ??? ????

      ????? ????? ???
      ???? ?????? ???? ??????? ????

      ???? ?????? ???? ??????? ????

      ????? ????? ???
      ??????? ???? ??????? ????

      ??????? ???? ??????? ????

      ????? ????? ???
      PE100 HDPE ????

      PE100 HDPE ????

      ????? ????? ???
      ??? 80 ??????? ????

      ??? 80 ??????? ????

      ????? ????? ???
      ???? ?????? ???? ??????? ????

      ???? ?????? ???? ??????? ????

      ????? ????? ???
      3 ???? 5 ???? ??????? ????? ??.??. ????????????? ????

      3 ???? 5 ???? ??????? ????? ??.??. ????????????? ????

      ????? ????? ???
      ????? ?????? ???? 3 ???? 5 ???? ???? ???? ????

      ????? ?????? ???? 3 ???? 5 ???? ???? ???? ????

      ????? ????? ???
      ???? ???????? ???? ????? ???? ????

      ???? ???????? ???? ????? ???? ????

      ????? ????? ???
      ???? ?????? ???? ????????????? ????

      ???? ?????? ???? ????????????? ????

      ????? ????? ???
      ???? 45 ° ????

      ???? 45 ° ????

      ????? ????? ???
      ???? ??????

      ???? ??????

      ????? ????? ???
      ???? ??

      ???? ??

      ????? ????? ???
      ???? ?????? ????? ????

      ???? ?????? ????? ????

      ????? ????? ???

      ???? ??? ???

      ???????????? ?????:

      ????? ?????? ?? ?????????? ??????? ??. ????????? ????????? ????? ??? ?????? ?????? ???? ????????????? ????? ????? ???? ??????? ?????? ????? Industrial??????? ??????? ?? ?? 210,000 ???? ?????? ???? ??, ?? ????????? ????? ??.

      ???????? ???????? ???? and?? ??? ???????? ???? ????? ????, ?????? ??????? ??????, ??????? ??? ???????? ???????? ???? ????????????? ????? ?????? ??????? ?????? ??. ???? ???????, ???? ???? ??? ?????? ???? ??? ??????? ?????????? ?????????? ??? ??????? ??? ???-??????? ????????? ????? ??? ????? ???? ???? ????? ??. . ????? ??? ????? ??????? ??????? ???? OEM ODM ???? ?? ?????? ??? ?? ??? ??? ?? ??????? ??????????? ?????? ??? ??.

      ??? ?????

        ???? ???

        ??? ?????
      • Advantages of aluminum-plastic composite ...

        1. Good flexibility, coil pipes below φ32 can be used as coils. According to different pipe diameters, there are coils of 100 meters and 50 meters. The storage and transportation of coiled tubes are more convenient than straight tubes. 2. Outstanding hygienic performance, with aluminum film in th...
      • Characteristics of aluminum-plastic compo...

        The aluminum-plastic composite pipe has good thermal insulation performance, the inner and outer walls are not easy to corrode, because the inner wall is smooth, the resistance to fluid is small; and because it can be bent at will, it is convenient to install and construct. As a water supply pipe...
      • What is the difference between PPR hot wa...

        The?main?difference?between?PPR?hot?and?cold?water?pipes?is?that working? pressure. the?withstand?pressure?of?the?cold?water?pipe?is?1.6?or?1.0?MPa,?and?the?withstand?pressure?of?the?hot?water?pipe?is?2.0?or?1.6?MPa.? PPR?Cold?Water?Pipe?is?generally?used?as?a?water?pipe?. The?hot?water?pipe?is?g...
      • ?????? ?????? ???? ???? ???? ???????? ???? ???? ?????

        ?????? ?????? ???? ???? ???? ???????? ???? ???? ?????

        ?????? ???? ????? ??????? ???? ?????????????? ?????? ????????? ??? ??, ?? ???? ????? ?????? ?? ????? ?????? ? ?????? ?????? ????? ?????? ????????? ????????? ????????? ????? ??? ??. ?????????????? ????? ?????? ?????? ????? ?????? ??? ?????? ?? ??? ??????? ???? ??. ?? ?? ...
      • ????? ???? ???? ???? ???? ???? ????? ????

        ????? ???? ???? ???? ???? ???? ????? ????

        ??????? ???????? ??????? ??????? ??? ???????? ???? ????? ?????? ??????? ??? ?? ?? ?? ????? ??????? ???? ????? ?? ?? ?? ???? ?? ???? ??? ?? ?? ????????? ???? ????? ??????? ????? ??????? ?? ??? ??. ???? ???????? ???? ???? ?????? ????? ??? ???? ??, ?? ???? ???????? ??????????? ??? ??, ?? ...

      ??????? ?????? ?????

      ????? ????? ???? ??? ??? ???? ?????
      ??????? ?????? ???!
      蓝月亮料精选资料免费