草草影院地址ccyycom浮力影院,a片太大太长太深好爽a片,亚洲精品美女久久久久久久,18国产猛男gayb0y1069

<noframes id="hpn99">
    <form id="hpn99"></form>

      <form id="hpn99"></form>
      <form id="hpn99"></form>

      <form id="hpn99"><span id="hpn99"><progress id="hpn99"></progress></span></form>
      <listing id="hpn99"></listing>
      Xingyuan Environment Technology Co., Ltd.
      Link
      /EN
      ECOLOGICAL WATER CONSERVANCY

      Valley harnessing is not limited to river regulation, but takes valley as basic unit, regards ecological environment, natural resources and social economy in the drainage basin as a interactive, interdependent and interinhibitive integrated ecologic-economic-social system, takes water resource management as core, ecological environment protection as orientation, keeps healthy life of rivers, adopts comprehensive means to realize sustainable development of social economy and environment.

      Valley harnessing

      We advocate ecological dredging and environmental dredging and proactively solve environmental dredging problems like sludge excavation, reservoir deep water dredging, long-range transport, curing utilization, remained water treatment, ecological environmental protection, etc.

      Reservoir environment gov
      <noframes id="hpn99">
        <form id="hpn99"></form>

          <form id="hpn99"></form>
          <form id="hpn99"></form>

          <form id="hpn99"><span id="hpn99"><progress id="hpn99"></progress></span></form>
          <listing id="hpn99"></listing>
          草草影院地址ccyycom浮力影院,a片太大太长太深好爽a片,亚洲精品美女久久久久久久,18国产猛男gayb0y1069