一级毛片91一二三四,一级一级18女人毛片,免费一级特黄特色毛片

  • 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.

  • 国产精品亚洲А∨无码播放精品_免费黄片免费在线观看_国产AV丁香花国产18禁aaa_高清不卡一二三区_国产一二三四区中_亚洲欧美人成视频_亚洲精品一区中文字幕乱码_亚洲精品毛A片久久久_久久九九性免费视频 东京热亚洲无码国产高清一区三区_欧美日韩综合在线_国产91吞精一区二区三区_亚洲jlzzjlzz少妇_免费黄色视频在线免费观看_国语对白视频一区视频不卡_久久永久免费人妻精品直播_国产在线不卡A∨影院_在线看免费的毛片 黄片大全在线观看免费_新版天堂资源中文8在线_黄色视频91影院看一看_免费看黄片在线视频播放_无码国产精成人午夜视频在线播放_亚洲国产免费一二三四站主_久精国产无码午夜拍拍超爽_无码人妻精品一区二区三区蜜桃_先锋资源站男人制服丝袜在线一区 欧美内射一区日韩一区在线看_国产成人精品日本亚洲专区61_内射人妻少妇无码一本一道_亚洲无码第五页日韩第一页第二页_邻居少妇太爽了a片无码_色亚洲欧洲第一页99国产永久免费_成人免费看的黄片区_欧美理论片在线观看一区二区_黄色视频网站在线免费观看91 青草国产精品人人爱_百万极品高清无码在线免费观看_日韩在线日韩九九九国产精品_国产高清免费黄片美女_黄片毛片免费观看_欧美视频在线观看第一页_亚洲电影成人资源在线观看_无码人妻视频一区二区三区极_色欲av午夜一区二区三区 国产级做a爱片久久毛片_国产精品一区不卡在线_亚洲真人久久91_国产精品一区二区接吻_中国精品九九九少妇精品一区二区_激情亭亭五月天亚洲色一个色粉芽_诱人的奶头bd在线观看_国产成人尤物视频在线观看_久久久噜噜噜久久中文福利
    徐汇区 伊宁市 茌平县 上林县 云龙县 天气
    武威市 连南 乐亭县 汶川县 延川县 石首市
    廊坊市 财经 邵武市 贵德县 宜黄县 剑川县