一级毛片在线播放视频,久久一级无码精品毛片6,日韩无码一级免费毛片

  • 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.

  • 欧美亚洲国产精品va_国产成人女人毛片在线_欧美又大又色又爽aaaa片_有码在线第一页亚洲综合淫色av_国产精品97影院激情偷乱人伦一区_亚洲一区二区成人影院_久久精品视频26_小小水蜜桃免费影院_色婷婷狠狠18禁久久yy 又爽又色又高潮的国产精品_国产偷国产偷亚洲清高_亚州第一区视频久久久激情综合_a级片视频网站观看_国产黄片免费观看儿_久久久久国产亚洲91_A级在线免费观看视频_亚洲av无码一区二区三区dv_免费黄色网站不卡国产天堂精品电影 丰满少妇被猛男猛烈进入久久_人妻少妇精品中文字幕av蜜桃_国产精品一区在线播放_一区二区三区不卡无码精品_三级片不卡免费亚州AV片在线_亚洲无码网站免费在线观看_精品国际九九九av福利在线观看_性做久久久久久久_一区二区网站日韩精品自拍偷 日韩城人网站在线观看_一区二区资源视频_小黄片精彩视频在线观看_蜜桃色欲av久久无码精品_免费看的黄片视频大全_国产亚洲精品明天国产精品一人久久_在线观看免费黄色视频_亚洲字幕av一区二区三区四区_欧美亚洲国产视频一区 亚洲午夜未满十八勿入网站2_一区二区三区韩国电影_久久永久免费久久精品最新_中文字幕av伊人av无码av_簧片大全免费观看视频_久久久久久精品一区二区三区日本_亚洲欧美制服免费公开视频区_国产一级黄片视频免费看_性生生活大片又黄又 自拍亚洲欧美青青草小视频_日本vs中国vs亚洲看无码_亚洲无码成人av74699_国产精品亚洲中文字幕_日韩精品无码四区_人妻AV一区二区三区精品_午夜成人理论无码电影在线播放_禁久久精品乱国产第一区精品_国产成人精品免高潮在线观看
    彩票 江西省 紫金县 南郑县 新晃 交口县
    乌苏市 阜新 镇雄县 高青县 通州市 辽阳县
    丰城市 怀来县 木里 南召县 浦北县 乌兰浩特市