欧美一级黄片视频,中文无码专区一级a毛片视频,国产一级A毛片在线

  • 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.

  • 亚洲第十页福利乱子伦一区二区_人人澡人人看白丝袜深夜喷水_无码波多野结衣在线播放_久久青青无码综合丁香五月综合停停_小雪第一次尝到又大又粗_免费在线观看视频A黄片_国产精品久久久久av福利动漫_免费无码又爽又刺激_国产精品无码在线观看 国产乱了真实在线观看_亚洲av无码久久_日日av夜夜添久久奶无码_黄色视频在线观看国产_国产在线观看无码免费视频_伊人久久大香线蕉亚洲五月天_性高湖久久久久久久久aaaaa_亚洲精品在线日本_无码人妻丰满熟妇区免费 国产亚洲精品久久久久久久_国产高清慕无码专区视频_激情另类中文字幕日产精品1区2区_一区二区免费黄片_欧美精品精品一区电影_欧美日韩亚洲精品_欧美性A级一区二区_最新av偷拍av偷窥av网站_在线无码流白浆亚洲第一视频网站 免费黄色网站在线进入_国产精品久久欧美久久一区_在线观看国产一区二区三区_大黄片免费在线观看_成人小视频免费看_毛片免费看在线观看视频网站免费看_中文字幕av无码av高潮_亚洲精品9191人人人视频_国产极品粉嫩福利姬萌白酱 亚洲高级黄片无码一本免费VM_日韩精品内射视频免费观看_少妇高潮喷水久久久久久久久_久久久久亚洲AV成人网人人_欧美三级片在线免费播放一区_精品无人区一区二区三区在线_欧美AAAAAA免费黄片_无码人妻AⅤ一区二区三区69_黄片二级免费观看 衣服被扒开强摸双乳18禁网站_亚洲午夜久久久久久久国产_丁香五月亚洲综合深深爱_亚洲一区二区三区高清_亚洲影院一区二区_精品久久久久久777米琪桃花_国产一区二区电影_在线观看视频一区二区三区四区_日韩美女肏屄特黄色视频免费在线
    镇坪县 江达县 建水县 凤山县 和林格尔县 刚察县
    巴青县 博湖县 龙海市 连云港市 玉环县 朝阳县
    贵溪市 辽阳县 蛟河市 海口市 临邑县 锡林郭勒盟