About Cling

Professional Bus Air Conditioner Manufacturer in China

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Founded in 2003 in Zhengzhou, Cling has been dedicated to making green, reliable and efficient bus air conditioners. In 2023, Cling totally produced over 61826 sets bus air conditioners with over 600,000 sets references running globally, becoming forefront bus air conditioner manufacturer of the world. This scale helps Cling to gain a favorable purchase price against any other competitors in the world and this is the reason why Cling can offer such a good price with high quality. Cling has formed a complete 5m-25m product line covering various segment markets including tourism, public transport and so on, becoming a competitive brand in bus industry in China.

Innovation has been and continues driving our business since beginning. Till now Cling gets up to 200 patents in bus air conditioners. The post-doctoral research center with 68 talents contributes the leading position for electric bus air conditioners in domestic market. The advanced national-level test center makes all performance proven before moving to market.

Quality is part of our DNA; Cling has passed the certificates of TS16949, ISO9001 and E-mark, and built the 6S site management to ensure high product quality.
    • Service Center

      The after-sale service system with 50 service engineers and 7x24 call center eliminate customers’ concern after use.

    • International Event

      Cling bus air conditioner has served international events like The FIFA World Cup - Qatar 2022 , G20 Hangzhou Summit 2016 , APEC Peru 2016 Beijing Olympics 2008 with zero failure.

Sales Volume

CLING shoulders responsibility to bring bus HVAC industry to the next level by ongoing efforts and innovation.


  • 2003

    • Foundation
  • 2004-2008

    • Yutong A Class Supplier
    • ISO90001
    • High Tech Enterprise
    • National Vehicle AC Production License
  • 2009-2012

    • TS16949
    • E-Mark
    • 1200sqm National AC Lab
    • Sales 120 Million US Dollar
  • 2013-2018

    • Sales Volume 200 Million US Dollar
    • Partners in 50 Countries
    • Key Player in Electric Bus AC
    • Battery Thermal Management
  • 2019-Future

    • Residual Heat Collection
    • Central AC, Automobile AC
    • Entire Bus Thermal Solution
    • Intelligient Network, Cloud & NoTs
    • 5G and alway a pioneer

With presence more than 130 counties across the globe, we invest in the future to find innovative bus air conditioners to help people traveling comfortably everywhere.

Remark:Cling is the only registered brand for Zhengzhou Kelin Motor Vehicle Air Conditioning Co.,Ltd

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