黄片一级www日,欧美一级免费理论,一级av日韩一级日韩av免费

  • 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.

  • 一级免费AA片澳门av免费一区,国自产拍偷拍精品啪啪一区二区,黄色一级毛片在浅,日韩特一级黄色大片,中国少妇的bbb真爽,99国产精品99久久久久久,国产一级黄片视频在线观看,国产aⅴ无码片毛片一级不卡,美女av一级毛片久久久久久免费 精品人妻人人做人人爽夜夜爽,久久夜色精品国产,成年网站免费视频黄A站 ,日本黄色成人在线视频,精品99久久综合国产精品,国产成人AV无码片在线观看,国产一级特黄女人毛片,一级毛片免费观看久久AV,免看一级a毛片一片成人不卡 国产av熟女一区二区三区,久久综合色之久久综合,一级黄片路边鸡店在线,我要看一级免费黄色片,日日躁夜夜躁狠狠久久av,欧美高清在线视频一区二区,免费观看一级黄色生活,黄片一级免费一区,日韩欧美一级特黄大片556 欧美激情久久久久久久大片,国产一级人成免费视频在线观看,韩国女人黄色一级网站,国产成人自拍精品视频,三年片在线观看免费观看大全下载,国产免费A片好硬好爽好深漫画,国产一级黄色毛片免弗看,免费国产一级黄色片,一级AAAAAA毛毛片免费 一级黄色视频免费观看,超碰97人人做人人爱亚洲,免费女人18A级一级毛片久久久,国产精品高清一区二区三区,日本人妻丰满熟妇久久久久久,亚洲AV无码精品网站性色,青青草免费一级黄片,一级体验区试看黄片,国产一级黄绝一区二区 国产精品无码国模私拍视频,精品国产区二区三区av,国产高清视频一区二区 ,日韩一区二区三区电影在线观看,国产成人高清视频,日本三级韩国三级香港三级A级,黄片一级在线观看免费,AAA一级毛片免费在线观看,一一级毛片免费不卡直接观看
    内乡县 沭阳县 修水县 周宁县 灯塔市 三明市
    宜阳县 开原市 双牌县 南郑县 宜宾市 精河县
    忻州市 临泽县 南阳市 内乡县 云龙县 彭州市