久久久a一级片人人妻人人妻超碰,无码黄色一级毛片,国产无码一级不卡视频

  • 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.

  • 亚洲欧美一区二区三区爽爽爽_亚洲日本电影在线午夜高清精品视频_成人在线观看黄网页视频_百度一下成人在线观看视频_久久人人做人人妻人人玩精品VA_国产一起色一起爱_成人AV动漫高潮在线观看_性欧美长视频免费观看_亚洲无码免费观看视频 国产视频精品一区无码_国产精品视频一区二区噜噜_精品三级视频在线观看_国产精选无遮挡亚洲av无码网站_四虎国产成人永久精品免费_无码在线观看调教亚洲无码_亚洲国产精品成人天堂_日本最新免费二区三区_伊人久久五月天成人电影亚洲精品 精品在线一区三区_奶头被民工吸的又大又黑_国产在线综合色视频_小雪又胀又麻又酸又痒_丰满学生被猛烈进入播放_日韩欧美短视频在线观看_最近高清无吗免费看_日本一区二区在线播放_亚洲人成色7777在线观看 日韩啪啪视频免费观看_国产乱国产乱在线观看av网_欧美影院五月天欧美手机综合在线_欧美一区二区之区_囯产极品美女高潮无套久久久_国产精品毛片久久久久_亚洲一区二区黄视频_无码人妻精品丰满熟妇区_中国aaa大片免费 亚洲日韩国产网线左观看_欧美aaa黄色综合婷婷五月丁香_亚洲av无码片vr一区二区三区_久久无码精品一区二区三区毛片_久久精品女人天堂AV麻_中文无码亚洲精品制服丝袜_国产成人无码不卡在线观看_欧美一区二区看片_黄片大集在线免费观看视频 国产黄片一区二区在线观看_亚洲视频91一区二区在线观看_一本大道色卡1卡2卡3_一黄篇免费观看的_中国精品免费AAA_日韩无码视频网址_国产自慰一区精品_精品国产乱码久久久久久1区2区_最近免费观看在线中文2019
    镇安县 东莞市 泾川县 吉林省 张掖市 太仓市
    彰化市 卓尼县 奉化市 余姚市 湟中县 仪陇县
    秦安县 库伦旗 从化市 内江市 蒲江县 山阳县