Haili is adjusting the production ratio of compressor frequency conversion and constant speed according to the market demand. At present, inverter compressors account for about 30%, and Haili has sufficient capacity to meet the changes in the inverter air conditioner sales market. Moreover, while providing inverter compressors, including the compressor system control algorithms, Highly provides technical solutions to provide customers with a package solution. Haili Refrigeration Compressor currently has nearly 500 models, including inverter compressors, dual-rotor compressors, heat pump compressors and CO2 refrigerant compressors. Among them, inverter compressors, dual-rotor compressors and special compressors for heat pumps are the first to be launched in China.
For example, Haili heat pump air conditioner compressor has been put into the market for more than two years, and the reliability of its products has been fully verified by the market in advance. Moreover, after the introduction of each compressor product of Highly, it will continue to optimize products and Research on performance improvement has always maintained an industry-leading level. Shanghai Hitachi Technology Center has more than 300 technicians engaged in product design, development and technical research. The annual R&D investment is no less than 3% of the annual sales revenue. According to the total sales of the 2011 annual report, the research and development expenses amount to 200 million RMB.
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