国内一级 片内射视频播放,自慰一级免费观看,亚洲一级AV毛片在线播放

  • 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.

  • 视频国产精品黄片_A级免费一品网站_日韩无码一二三四五区_久久月亚洲综合色欲一区二区三区_国产精品亚洲AV人片_欧美三级在久久精品三级_免费观看AAA片吃奶在线视频_九九热精彩视频久久九九免费视频_成人无码五月天亚洲一区福利视频 国产高清无码视频在线播放_欧美二区视频在线观看_人妻无码一区二区不卡无码av_激情综合色综合久久综合_爆乳熟妇一区二区三区_亚洲国产成人久久精品综合_日韩乱伦无码免费播_国产黄片大全在线观看_毛片视频大全在线观看 精品一区二区三区影院_国产精品一区视频_五月丁香社区婷婷日韩欧美精品影院_国产乱人激情h在线观看_九九一区二区99热精有精品_国产亚洲AV视屏亚洲国产中文自拍_脱了内裤猛烈进入a片视频免费_免费人成电影亚洲成人乱淫_精品亚洲AV无码国产二三区久久 凹凸在线无码免费视频_亚州免费观看黄片_三级片日韩在线欧美日韩另类专区_久久99久久99精品免观看女同_四虎成人电影欧美AⅤ久久_黄片港澳台无码在线_久久久久久国产A免费观看_亚洲精品97久久中文字幕无码_韩国久久久特黄片 无人区在线观看免费观看_国语自产精品视频在线区_一本大道东京热无码视频_国产无遮挡吃胸膜奶免费看_中文字幕一区二区电影_国产99精品免费在线_国内精品久久久久影院薰衣草_久久国产精品网站亚洲欧美每日更新_超碰国产精品久久国产精品99 国产A级毛片久久久精品毛片_国产69久久精品成人看_国产无码会所高清一区_日韩av无码中文无码不卡电影_久热爱精品视频在线_免费观看黄色电影_色男人色天堂亚洲乱码五区_午夜精品久久久久久_爆乳3把你榨干哦ova在线观看
    庆阳市 西乡县 鹤峰县 澄江县 湾仔区 平乐县
    长乐市 合江县 隆回县 红安县 镇雄县 巴东县
    宁南县 澄迈县 高淳县 澄江县 游戏 开平市