国产一级无码精品,国产一级黄片毛片看看,特一级亚洲黄色电影天堂

  • 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.

  • 天天做天天爱天天综合网2021_色欲人妻aaaaaaaa无码_亚洲人妻无码一区免费av在线网址_成年人免费看的视频网站_综合图区日韩在线国产成人免费精品_亚洲国产精品无码久久久老少_日本久久高清一区二区三区毛片_亚洲天码中字夜干干视频直_一区二区三区操插入视频无码观看 一本亚洲综合久999久久久精品_亚洲一区二区三区精品影院_亚洲AV无码一区二区二三区∝_亚洲AV乱码中文一区二区三区_a级毛片在线观看_波多野结衣一区二区三区av高清_亚洲av日韩av无码_特黄特级毛片视频免费看_无人在线观看高清完整视频 久久亚洲av成人无码国产_在线免费观看黄片的视频_精品亚洲性久久久_免费黄视频观看网站_久久久久久亚洲AV无码_黄片免费线上观看_亚洲不卡视频二区亚洲精品午夜无码_中文日产第一页永久有效_色欲国产精品久久毛片av大全 欧美亚洲一区二区三区_爽爽爽男女爽视频免费_国av在线播放婷婷丁香五月婷婷_精品亚洲成a人无码成a在线观看_一区二区国产精品精华液_亚洲av无码乱码国产精品fc2_精品污ww一区色妞综合在线视频_高清无码午夜啪国产免费AV成人_黄片视频免费国产 免费视频在线观看_国产免费久久久黄片是1区2区_国精品午夜福利视频不卡_午夜三级黄色片一区二区不卡视频_在线观看精品黄片_蜜臀AV无码一区二区三区_亚洲中文字幕在线观看_无码精品av久久久奶水_日韩在线视频观看网址 成人特色黄片视频在线免费_亚洲韩国一区二区_国产大黄片免费看_在线日韩激情视频_日韩精品成人无码专区免费_亚洲品质自拍五月情综合网_国产精品不卡一区在线观看_久久精品国产亚洲孕妇无码_国产av专区Julia久久
    巴楚县 乐平市 江津市 土默特左旗 丹寨县 临高县
    齐河县 晴隆县 夏邑县 绥德县 都兰县 图木舒克市
    桑日县 文昌市 称多县 定州市 大埔县 博乐市