精品一级国产一区二区三区7,曰本人一级不卡毛片免费视频 ,久久久久久精品一级片

  • 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.

  • 久久久99精品成人片中文字幕_日韩日韩日韩日韩性感少妇一区二区_日韩无码专区中文字幕_天天躁狠狠躁狠狠躁夜夜躁_日本人与黑人做爰视频网站_午夜激情在线一区在线视频精品无码_国产一卡精品日韩福利影院_中文亚洲AV片在线观看无码_国产亚洲精品久久久久久无码网站 日韩进来综合网日本中文字幕日韩_欧美亚洲人成网站在线观看刚交_亚洲最大无码在线观看_AV无码国产精品色午夜_无码一精品人妻一区二区免费视频_国产黄片子精品一区二区_性感亚洲一区二区中文在线观看网站_一区二区毛片免费_日韩精品一区在线看 在线看免费观看日本av_中文字幕av人妻一本二本_亚洲免费电影一区_国精产品一区一区三区有限_成人网页访问在线_人妻丰满AV无码久久不卡_久久久av精品波多野结衣_亚洲日韩精品在线视频_国产精品十八禁在线观看 亚洲午夜精品久久久久久人妖_成年a动漫在线蝌蚪午夜福利影视_国产精品亚洲lv粉色_精品高清亚洲无码极品_欧美后进式猛烈xx00免费视频_日韩免费无码毛片_天天爽夜夜爽人人爽_亚洲综合色色图男人吃奶亚洲无码_少妇被爽到高潮在线观看 人妻无码αv中文字幕久久琪琪布_黄片在线免费在线观看_在线免费视频无码目本AⅤ性爱视频_国产精品影视亚洲快色视频_小黄片hh在线观看免费视频_久久66热人妻偷产精品9_簧片毛片在线观看_国产三级精品三级在线专区_免费观看成年人视频大全 国产会所毛片在线_亚洲影院黄片在线_免费看热久毛a久久久综合热热_亚洲三级视频在线观看_欧洲亚洲激情福利五区在线_亚洲乱色熟女一区二区三区蜜臀_AV无码专区亚洲AVL在线观看_久久精品人妻一区二区三区av_国产成人精品尤物视频
    厦门市 阿城市 康乐县 永春县 卫辉市 灵山县
    邢台县 新巴尔虎右旗 古田县 万安县 浑源县 扶沟县
    新化县 高陵县 吴川市 察哈 洞头县 长沙市