国产一级大鸡逼,国产一级无码黄色视频,一级毛片超级播放

  • 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.

  • 无码人妻视频一区二区三区_国产精品18久久久久久不卡渔网_欧美日韩精品视频一区二区_久久精品亚洲中文字幕无码网站_久久久久人妻一区精品色欧美_欧美人妻一区黄a片_免费人成年激情视频_国产无码三级在线视频_人人鲁人人爽人人99丝袜在线网站 日本精品一区二区三区四区_一色一伦一区二区三区_女女做在线播放看AV不卡的网站_曰韩人妻无码一区二区三区综合部_激情六月丁香婷婷久色五月婷婷综合_国产白丝被操夜色在线影院_成人AV一区国产天天干在线_成人免费视频播放_国产精品18久久久久久 在线观看成人簧片_久久短视频播放大全_亚洲特黄免费黄色网站特级_日韩在线不卡免费视频一区_中国人免费人做人爱的视频_网站激情五月天国产综合大片91_久久丫精品国产亚洲av不卡_欧美重囗味成人无码区_色婷婷无码影院自拍成年人色毛片 久久久99精品成人片中文字幕_日韩日韩日韩日韩性感少妇一区二区_日韩无码专区中文字幕_天天躁狠狠躁狠狠躁夜夜躁_日本人与黑人做爰视频网站_午夜激情在线一区在线视频精品无码_国产一卡精品日韩福利影院_中文亚洲AV片在线观看无码_国产亚洲精品久久久久久无码网站 日本天狼无码久久久久影院_嫩模无码叼嘿国产_中文字幕视频一区二区三区久久_无码天堂亚洲国产av久久_日韩av无码综合先锋资源av男人_综合一区无套内射中文字幕_亚洲色视频网站激情丁香久月婷婷_免费的日韩欧美一级视频_一级毛片Av成人免费观看 日韩一区精品黄色视频_亚洲国产av一区二区三区_精品人妻人人爽久久爽_亚洲黄片一区二区三区_日本激情视频欧美视频在线网_成全视频在线观看免费看_国产成人自拍电影在线观看_在线看国产一区二区三区_久久久久人妻一区精品性色av
    武功县 绥棱县 德清县 疏附县 枣强县 安新县
    宜州市 遵义市 长沙市 宣城市 马鞍山市 前郭尔
    安丘市 阜新市 孟村 三明市 拉萨市 永嘉县