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About Rininrd

Foshan Rininrd Energy Saving Equipment Technology Co., Ltd.


The team of Foshan lingyingda Energy Saving Technology Co., Ltd. was established in 2015 and officially registered in 20219, specializing in the R & D, production and sales services of natural refrigerant CO2 heat pump; At the same time, the company actively develops the use of various high-temperature refrigerants, and can provide users with various comprehensive technical services such as high-temperature heat pump, closed high-temperature dryer, waste heat recovery and utilization (heat pump steam engine).

  After years of development and sedimentation, the company now has three business divisions: carbon dioxide heat pump, heat pump steam engine and closed high-temperature dryer; It can provide users with carbon dioxide heat pump water heater, carbon dioxide heater, carbon dioxide hot air heater, ultra-low temperature carbon dioxide integral / split cascade machine, carbon dioxide water source machine, carbon dioxide domestic hot water / heating / solar energy three in one unit, carbon dioxide swimming pool machine, multi-functional carbon dioxide swimming pool constant temperature and humidity machine, high-temperature heat pump steam machine (120 ~ 150 ℃), high-temperature closed dryer and other equipment and related technical services.

  The production concept of technology-based and quality first has accumulated a large number of customers for the company and won the unanimous recognition of the majority of customers. Among them, the export volume of CO2 heat pumps is among the highest all the year round. In 2021, the export volume of European and American markets reached a record of more than 400 sets, accounting for more than 40% of the company's total business volume; At the same time, CO2 water source machine is widely used in South China; Lingyingda domestic hot water / heating / solar three in one unit was first popularized and applied in Europe; The high-temperature heat pump steam unit (120 ~ 150 ℃) developed by the company with independent intellectual property rights can perfectly replace the low-pressure boiler.

  Lingyingda is located in Sanshui District, Foshan City, the national Refrigeration Center. It covers an area of 5000 square meters and has more than 20 employees, including 6 technicians who have been engaged in refrigeration / heat pump design for more than 10 years. The company maintains close cooperation with the school of energy and power engineering of Xi'an Jiaotong University, the Department of thermal energy of Tianjin University, and the Guangzhou Institute of energy, Chinese Academy of Sciences; It has built an environmental simulation laboratory, equipped with complete production and testing equipment, and has an annual output of more than 800 sets of various equipment.


  • Small diameter double wall air cooler
    Three heat sources
    Waste heat power generation system
    Secondary cooling system
    Integrated CO2 heat pump
    Detachable shell and tube heat exchanger
    High return water small temperature difference
    Control system of heat pump steam engine
    Multifunctional CO2 heat pump control system

The company has successfully developed carbon dioxide (CO2) air source heat pump, water source heat pump (cold and hot machine), ultra-low temperature cascade machine (minimum working ambient temperature -43 ℃), high temperature dryer (maximum constant temperature of heating air is 90 ℃), high temperature hot air fan (air outlet 110 ℃), integrated household unit, split household unit, carbon dioxide air conditioner, 120 ℃ heat pump steam unit, etc. all series of products have been put on the market.

The product has already obtained the EU TUV CE certification, passed the testing of the national inspection center, and obtained 11 national patents. The company participated in the drafting of CO2 heat pump heating industry standards.