免费看特一级真人片,美国黄色一级大片免费看,俄罗斯一级aV免费观看

  • 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.

  • 无码欧精品亚洲日韩一区_熟女乱中文字幕熟女熟妇_亚洲香蕉成人av网站在线观看_久久久久99精品成人片欧美_亚洲五月日本色国产极品视觉盛宴_高潮喷水黄片在线免费看_美国黄片一区二区_成人黄片毛片免费看_久久亚洲国产成人影院 国精品无码人妻一区二区三区_色偷偷色嚕噜狠狠网站_国产日产成人免费视频在线观看_欧美日韩激情视频一区_亚洲国产精品无码簧片_亚洲91剧情片日本欧美亚洲国产_久久激情四射青青视频一区_亚洲国产精华液网站w_成人秘免费网视频 亚洲AV自慰白浆喷水网站少妇_亚洲影院无码一区二区久久久_亚洲最好看网站av在线免费不卡_日本VA在线视频国产在线一区91_黄片高清无码在线免费观看_岳的又肥又大又紧水有多视频_不卡中文字幕激情视频网站_国产亚洲日韩一区二区三区_最新黄片免费在线观看 国产成人综合欧美精品久久_特级aaa黄片视频_亚洲欧美一区二区成人片在线看_久久精品影视大全国产av看片网站_国产精品无码一区二区在线不卡_九九热在线视频成人在线中文字幕_中文字幕人妻紧无码专区_国产无码高清在线观看一区二区_久久天堂AV综合合色 亚洲国产成人精品无码区在线_中国女人与黑人a片免费_我推的孩子动漫在线观看_黄片全身在线免费观看_欧美专区一区国产三级短视频_小莹客厅激情38章至50章一区_欧美亚非日韩在线视频蜜桃蜜臀_av疼死你在线亚洲精选在线观看_福利午夜一区AV内射不卡 色欲av无码一区二区三区_国产精品黄色视频_国产免费一区二区在线a片视频_免费在线观看视频簧片_丁香五月天视频日韩无码视频导航_日韩a片无码毛片免费看_菠萝蜜激情视频97在线精品视频_国产理伦电影一区二区_亚洲精品国产偷五月天丁香
    民丰县 安仁县 靖州 三都 宜黄县 德格县
    丰原市 吉木萨尔县 福安市 黎川县 波密县 白银市
    教育 眉山市 荃湾区 永泰县 南川市 沙雅县