Rigid Technology – 9 Years of Innovation in Miniature Cooling Systems

Rigid Cooling Products

About us

RIGID is an enterprise specializing in manufacturing, marketing and R&D of Micro DC Aircon, Compact Liquid Chiller, DC Condensing Unit. Products are widely used in commercial & personal refrigeration, miniature & portable cooling system, and other tiny liquid cycle refrigeration devices etc. The qualification of most products has met the technical and quality standards of Germany, the U.S., Italy, and Asian countries. View More

Compact Condensing Unit

R&D Team

To remain an industry leader in technology development, Rigid has invested huge sums in research and development. Developing new products and accelerating the updates of products are Rigid’s core competence. Plus, our team works directly with customers to provide custom refrigeration solutions and meet their specific requirements.

Our History

Creative For A Better Life!

Rigid was established in 2010 (formerly known as Ruiyun) with a vision to introduce to domestic market all its needs of miniature compressor, as well as compact and mobile refrigeration solutions for small cooling systems that relies on innovation and customization.

RIGID is one professional HVAC company back up with our own factories specialize in Refrigeration and Air Conditioning products. RIGID brand was established in 2016 which marks to start an oversea market in the marketing of Miniature Compressor & Small Cooling Systems. Before that RIGID has achieved remarkable achievements in the domestic market. Our long-term and high volume relationships have therein allowed us to forward that value to our clients. Our experience and rich resources in the industry have enabled us to successfully serve our clients for over 7 years

RIGID isn’t a century-old company, but we move quickly, unafraid to take responsibility. Products are widely applied to commercial refrigeration:

  • Personal Cooling
  • DC Air Conditioning
  • Compact & Portable Cooling
  • Miniature Refrigeration/Freezer Systems
  • Thermally – Controlled Shipping Containers
  • Electronics Cooling Systems
  • Medical Imaging Equipment
  • Vertical Farming or Pets Cooling
  • Mini-Chilled Water Systems
  • Racing, EV, and Automotive
Rigid Certificate

To maintain our technological edge, RIGID re-invests a large portion of corporate earnings back into R&D each year. Our strong R&D capability enables us to stand out from our peers!


The 1st generation tiny compressor was unveiled in 2010. RIGID is the pioneer in this miniature compressor industry.


Compressor QX1401, QX1402 (12V/24V ) series were published in September 2010. The 1st generation driver board (Square wave) was coming out.


The factory has been awarded China high-tech enterprise in Oct 2011.


A newly developed QX19 series mini compressor jumped into popularity in 2012. The 2nd generation driver board (Sine Wave) has developed, well-matched QX19 series compressor.


The factory has gained the ISO9001: 2008 certificate, with all its products, got national CCC & CE – EMC LVD certifications in 2012. Our Miniature compressors were honored for “Innovation Awards” in 2013.


Has gained financial support from the Technology Research & Development Center in June 2014. Getting funding from the local government for Energy Conservation & Emissions Reduction in April 2014. At the same time, the 3rd generation QX14, QX19 (12V 24V 48V ) were published in Aug 2014.


T3 Tropical Compressor was unveiled in June 2015. Developed driver board capacity ranges of 150W & 360W. The tropical compressors series are specially designed for extreme hot ambient temperature areas.


The first small dc condensing unit was launched in 2016. Its main advantage is high-efficiency use of space, less energy consumption and lower cost.


Under the unremitting effort of our R&D team, RIGID has successfully developed the other 3 types of small liquid chiller modules (LCM): Stainless Coil, Plate Type, and Coaxial Type. RIGID micro LCM serves as a source of chilled water for circulation through the liquid pipes. The chilled water of the pipes is used in direct contact with the heat-producing source to take away the heat.


The micro dc air conditioner module, use the newly developed powerful 3.2cc compressor was launched in March 2018. This 12V/24V/48V DC Aircon is a compact solution for small & confined space cooling, such as cabins, cuddy cabins, and electric vehicles etc.

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