一级午夜在线观看,国产一级毛片特黄不卡99,精品国产A一级黄色片

  • Home
  • About Us
  • Product display
  • Application Example
  • News
  • Factory Display
  • Contact Us
  • 0086-536-3521951
    中文
    Shandong Hengyuan Lvfeng Agriculture and Animal Husbandry Technology Co. LTD. 0086-536-3521951
    Hy- Push-pull type exhaust fan

    HY series High class fan is mainly made up of blade , Centrifugal Opening Device, motor , outer frame, protectingnets, supporting frames, shutters. lt is made based on aerodynamic, effectively reduce the wind resistance.

    Read more +
    HY - Cooling pad

    Corrugated paper has high intensity structure, corrosion resistant, long service life.Fine percolating and absorbing water to ensure water drip wet the wall.

    Read more +
    HY-Silos

    Silo coaming panel designed in semi-circular shape,smooth,strong with good looking.Lower coaming panel equipped with water drip edge,prevent raindrops falling on the lower cone or other parts.

    Read more +
    Negative pressure fan Cooling pad Heating equipment Fecal cleaning equipment Other fans Farming equipment Breeding accessories

    Products

    Products

  • Hy- Push-pull type exhaust fan

    Hy- Push-pull type exhaust fan

    Read more
  • Hy- Heavy hammer type exhaust fan

    Hy- Heavy hammer type exhaust fan

    Read more
  • HY - cow house hanging exhaust fan

    HY - cow house hanging exhaust fan

    Read more
  • HY - cow house hanging exhaust fan

    HY - cow house hanging exhaust fan

    Read more
  • HY-FRP cone fan

    HY-FRP cone fan

    Read more
  • HY-FRP cone fan

    HY-FRP cone fan

    Read more
  • Hy-Butterfly cone fan

    Hy-Butterfly cone fan

    Read more
  • HY-Air cooler

    HY-Air cooler

    Read more
  • About Us
    Shandong Hengyuan Lvfeng Agriculture and Animal Husbandry Technology Co. LTD. established in 2010, is a professional manufacturer engaged in the research, development, sale and service of all kinds of cooling heating and animal husbandry equipment. such as : negative pressure fan, cooling pad, greenhouse and poultry fan, light traps , manure scraper machine, feed silo, poultry farm equipment and so on.
    We are located in Weifang City Shandong Province with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.
    Read More +
    13
    +

    Over 13 years of industry experience

    200
    +

    Over 200 product types

    2010

    The company is established in 2010

    365
    days

    Sincere service for 365 days

    Video

    R&D and Innovation
    x

    Application Example

    Read more +

    News

    Read more +
  • 12-202023
    Precautions for installing negative pressure fans

    After the wet curtain is blocked, its effective intake area will be greatly reduced, which will affect the wind speed inside the house and the cooling effect of the wet curtain. Therefore, the filter and wet curtain should be cleaned every two weeks. When cleaning the wet curtain, you can first rinse the sediment with a coarse water pipe, and then add a wet curtain cleaning agent such as Ouke to the water tank. Start the cleaning of the biofilm on the surface of the wet curtain and replace it with a clean water source.

  • 12-202023
    Common problems and solutions for wet curtain maintenance

    After the wet curtain is blocked, its effective intake area will be greatly reduced, which will affect the wind speed inside the house and the cooling effect of the wet curtain. Therefore, the filter and wet curtain should be cleaned every two weeks. When cleaning the wet curtain, you can first rinse the sediment with a coarse water pipe, and then add a wet curtain cleaning agent such as Ouke to the water tank. Start the cleaning of the biofilm on the surface of the wet curtain and replace it with a clean water source.

  • 12-202023
    Performance characteristics of push-pull fans

    The outer frame material is made of thick galvanized sheet with strong corrosion resistance; The outer frame is made using CNC machine tools, with excellent craftsmanship and high precision; There are two types of high-strength aluminum alloy cast steel for the wheel hub: a new type of twisted stamping formed fan blade;

  • 12-202023
    Working principle of negative pressure fan

    Negative pressure is a process of energy conversion that allows air to create convection in the workshop. The negative pressure horn fan is driven by electricity to convert into kinetic energy and wind energy to exhaust indoor air from the outside, thereby reducing indoor pressure. Under the action of atmospheric pressure, fresh outdoor air is replenished from the opposite window and door where the negative pressure horn fan is installed, generating air convection negative pressure.

  • 狠狠躁天天躁男人_亚洲一线产区二线产区区_精品人妻码一区二区三区_无国产精品视频免费_国产精品亚洲专区无码牛牛_日韩特黄无码伊人网久久嫩_欧美成人电影一区二区三区_一区二区精品资源在线观看_欧美成人精品第一区二区三区 香蕉丝袜在线欧美一道高清_一区二区成人电影_国产无遮挡无码视频免费软件_亚洲无码黄片在线免费观看_伊人激情av一区二区三区_国产又a又黄又潮娇喘视频_亚洲av无码日韩精品影片_中文字幕一精品亚洲无线一区_熟女肥臀白浆大屁股一区二区 中文字幕日韩欧美一区二区三区_h黄片视频大全在线观看_在线国产一区二区三区_久久久久久久中文午夜不卡久久伦理_av无码国产精品午夜a片_午夜精品一区二区三区在线观看_国产精品无码黄片_国内精品人妻无码久久久影院蜜桃_免费播放男人添女人下边 大尺度激情一区影音av电影一区_亚洲国产一区二区_国产黄片大全在线播放_亚洲牲生活免费看激情五月自拍偷拍_免费a级毛片高清视频不卡_无码av中文一区二区三区桃花岛_国产免费3a黄片_欧美日韩国产色片_男人一边吃奶一边做爰免费视频 免费欧美大黄片免费_av无码精品一区二区三区四区_欧美A级在线现免费观看_日韩欧美黄色特级视频_国产精品无码亚洲一区二区三区_亚洲成a人片77777kkkk_国产午夜精品一区二区三区_免费精品人在线二线三线区别_国产精品黄色网久久国产第1页 日韩无码电影亚洲无码10p_亚洲AV无码二区在线_国产无码乱伦AV_亚洲色婷婷久久精品av蜜桃_欧美成免费在线视频_伊人激情中文网高清不卡无码中出_成人在线免费观看小黄片_簧片国产免费观看_欧美性理论片在线观看片免
    浦城县 奉贤区 永清县 辉县市 遵义县 云阳县
    鹰潭市 永安市 邯郸县 拉萨市 布拖县 峨山
    阿鲁科尔沁旗 靖远县 阳江市 永靖县 清徐县 赞皇县