<tfoot id="aaaaa"><noscript id="aaaaa"></noscript></tfoot>
  • 
    
    <nav id="aaaaa"><sup id="aaaaa"></sup></nav><tr id="aaaaa"></tr>
  • <tr id="aaaaa"></tr>
      亚洲男人av天堂午夜在,色五月丁香五月综合五月4438,国产性生交xxxxx免费,国产成人久久精品二区三区,蜜桃无码av一区二区,国产激情一区二区三区 ,天堂亚洲免费视频,2021国产精品自在自线
      Welcome: Ring of Beijing think-tank, environmental protection equipment co., LTD
      Language: Chinese ∷  English

      News

      What are the characteristics of backwashing and forced discharge lifting equipment

      In order to solve the blockage problem of sewage pump, a filter device is set in front of the sewage pump, and the filtered sundries are discharged into the drainage pipe by backwashing. Ensure the safe and reliable operation of sewage pump. This equipment is suitable for the situation that there are massive sundries in sewage, the situation where the pump is easily blocked or the situation with high requirements

      CONTACT US

      Contact: Mr Chen

      Phone: 13521257486

      Tel: 010-82921102

      Email: zhitong_chenfei@163.com

      Add: Northwest of Beijing haidian district