2012:
*GUANGDONG SUNRAIN AIR SOURCE ENERGY CO., LTD. was officially established in Shunde.
*In the same year, domestic air source heat pump water heaters (1HP 150L, 1HP 200L split type) and commercial heat pump water heaters (3HP, 5HP, 10HP) were officially launched.
2013:
*Passed ISO9001, ISO14001, ISO18001 three systems certification, large commercial hot water heating units (12P, 20P) officially launched, automatic intelligent dual control dryer developed successfully.
2014:
*Obtain the national industrial product production license.
*Obtained the national heat pump water heating efficiency labelling laboratory qualification for the record.
2015:
*The first generation of ultra-low temperature household heating and cooling fixed frequency units and inverter units (5P, 6P) were successfully developed and applied to the Beijing coal conversion market.
2016:
*Rate as a National High-tech Enterprise.
2017:
*Build the most extensive air source heat pump production base in Asia in Shunde high-tech Zone, Guangdong. It has invested RMB 545 million, covering an area of 100,000 square meters.
*Successfully developed a high-efficiency and balanced integrated variable-frequency household cooling and heating machine for hot summer and cold winter areas.
*Successfully developed a series of ultra-low temperature large commercial heating units (13HP, 25HP) and successfully brought them to the market.
2018:
*Recognize as Guangdong High Efficiency, Energy-saving and Environmental Protection Air Source heat pump Engineering Technology Research Center by Guangdong Provincial Department of science and technology.
*Pioneered the 3-minute intelligent defrosting technology, achieved the three industry-leading characteristic technologies of rapid defrosting, accurate defrosting and high energy efficiency, and obtained the product characteristic certification certificate issued by Hefei General Technology Research Institute.
Awarded the preparation unit of the national data consistency verification standard mechanism;
*Officially expand the international market;
2019:
*Successful development of ultra-low temperature 1Hz complete DC frequency conversion cooling and heating dual supply products, IPLV (H): 3.26, COP (- 12 ℃): 2.75, exceeding the national first-class energy efficiency.
*R32 series variable frequency swimming pool machine and R290 series water heater have been successfully developed and exported to Europe, America and Australia.
2020:
*Become the drafter of two national standards: Low Ambient Temperature Air Source Heat Pump (chiller) Unit: Commercial and Low Ambient Temperature Air Source Heat Pump (chiller) Unit: Household.
*Recognized as a leading enterprise in subdivided industries in Foshan.
*Won the title of invisible champion cultivation enterprise in the Foshan manufacturing industry.
2021:
*Won the honor of Guangdong Specialization, Refinement, Innovation Enterprise;
*Awarded Gazelle (High Growth) enterprise;
*Successfully developed European A + + + ultra-low temperature triple supply products;
*The products sell well in 54 countries and regions around the world, which have become the preferred choice of many international partners;
*Invest 500 million yuan to prepare for the construction of an air source heat pump base in Lianyungang, planned to build 10 modern heat pump manufacturing production lines; up to five -35 ℃ ultra-low temperature test rooms, and establish a heat pump basic technology research institute.
*Undertaken the critical research and development program of the 13th five-year plan and the research and application project of frost suppression air source heat pump unit.
*Won the first prize of the Science and Technology Award of the China Refrigeration Society.