欧美一级国产黄片AAA,一一级毛片免费不卡直接观看,一一级婬片a免费播放口

  • 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.

  • 无码亚洲成a人片在线观看手机_日本无码色哟哟婷婷最新网站_亚洲激情五月天午夜无码在线观看_亚洲欧美中文日韩电影_日韩综合视频免费观看_黄片小视频免费大全_老牛嫩草一区二区三区_日韩精品在线免费观看_毛片在线视频免费看 国产99久在线视频_白天躁晚上躁天天躁_成人奭片免费观看_激情97综合亚洲色婷婷五_日韩有码日韩无码_日本有码免费播放婷婷五月亚洲丁香_日韩在线免费观看视频网站_亚洲无码A区久久久97超碰_亚洲高清无码强奸 午夜福利理论片在线观看播放_思久9热这里精品免费_亚洲无碼性爱一区二区_日韩无码永久免费_蜜臀av国内精品久久久夜夜快色_免费看黄视频91_看91毛片不卡免费视频_亚洲一区二区三区视频在线_黄片视频在线看高质量 欧美日韩色欲视频免费_超碰国产少97超碰人人五月天_无码高清免费视频一区_国产成人无码av片在线观看不卡_小黄片在线视频观看视频免费观看_玩两个丰满老熟女在线视频_亚洲av无码一区二区三区牲色_高清在线不卡无码_欧美伊人窝窝网丁香六月在线视频 日韩无砖视频免费观看_日韩免费无码高清_人在线免费视频人_青青河边草中文字幕mv_国产成人男女在线小电影_一区二区亚洲av天堂嫩模_亚洲av日韩精品久久久久久a_成人激情五月天久久大香国产二区_久久久久国产一毛片高清 日韩精品小视频一区_十七岁在线观看免费高清完整版_国产精品三级成人爰爱在线直接看_欧美人成综合网站_国产一区二区三区在线电影_国产视频无码一区_久久久久久曰本av免费免费_久久成人一区成人伊人91_久久免费看黄A级毛片老女
    黄冈市 东辽县 若尔盖县 延安市 汕头市 绥滨县
    胶南市 盱眙县 双柏县 甘孜 长子县 常山县
    堆龙德庆县 滦南县 民丰县 海晏县 连州市 射阳县