国产一级黄 在线播放,欧美激情一级A片,午夜一级黄片免费视频

  • 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.

  • 在线观看免费黄片_亚洲精品一区二区_黄片毛片在线免费看_一区二区三区在线免费电影_在线观看免费看黄片_国产精品无码免费专区午夜_国产黄片视频免费_精品无码乱码av_少妇高潮久久久久久 在线视频免费人成_av无码精品一区二区三区宅噜噜_中文无码人妻在线一区不卡_精品电影AV一区激情无码久久社区_国产亚洲一区二区手机在线观看_黄片免费完整版视频在线观看_日韩TV一二区亚洲一区二区四区_国产精品无圣光视频一区_久久国产无码午夜视频电影 无毒免费三级黄片_国产Av无码二区_久久精品国产精品亚洲_亚洲无码在线一区二区_欧美精品久久96人妻无码_香港AA三级久久三级_久久久久人妻精品一区三寸蜜桃_综合激情网站日韩_国产一区日韩二区欧美三区 国产操B精品一区二区三区_亚洲九九久久久久亚洲免费无码新区_精品一区二区三区四区在线播放_亚洲电影在线一区_有码一区无码二区韩国三级无码私拍_日韩精品二区黄色视频_国产亚洲视频电影免费看_无码高清东京热成人91白丝网站_黄片免费在线观看小视频 天天视频熟女视频性五月天激情综合_久久久久精品国产三级男枝师_国产亚洲精品无码成人_少妇久久久久久久久久_无码av免费一区二区三区试看_午夜人妻久久久久久久久_精品久久久久久无码中文字幕_激情五月天综合国产色播AV在线_国产无码在线视频一区二区 人妻被按摩到潮喷无码日本_国产成人无码精品一区在线观看_亚洲毛片福利全黄色传区_色狠狠一区二区三区香蕉_国产精品午夜在线观看_无码精品一区二区三区在线观看_国精产品999一区二区三区有限_国产AV毛片一区二区亚洲_国产成人精品亚洲777人妖
    九龙坡区 保靖县 老河口市 准格尔旗 乐平市 九龙坡区
    马公市 威远县 隆昌县 兰考县 新晃 叶城县
    鹰潭市 泾阳县 潢川县 天全县 徐水县 寻乌县