Inverter World: Gree Air-Conditioner, Who vs. Battle?

Gree Electric's 2011 annual results report showed that during the reporting period, the company achieved total operating revenue of 83.595 billion yuan, a year-on-year increase of over 37%. What is rare is that this brilliant performance is achieved in the face of the country's cancellation of the "energy-saving benefits" subsidy policy, rising raw material costs, and the debt crisis in Europe and America, the overseas market is still depressed and other unfavorable factors.

Gree Electric Appliances took "mastering core technologies" as the motto of the company's development and insisted on influencing the three major challenges in the inverter field. After 12 years of technological breakthroughs, it successfully developed frequency conversion automatic torque control technology to reduce the frequency from 30 Hz to 15 Hertz, and finally achieve low-frequency stable operation of air conditioner compressor 1 Hz, power factor of 0.999, compared with the world's most advanced products, outdoor noise reduction of 1-3 dB, and in any environment can maintain a constant room temperature. The project received a total of 11 national authorized invention patents and 1 public international invention patent.

Gree's frequency conversion technology has entered the outbreak period:

In 2006, Gree finally realized the vector control of sensorless DC permanent magnet motor, developed a sine wave DC inverter technology, and was certified by an authoritative organization to reach the international advanced level;

In 2009, Gree Electric Co., Ltd. made 15 Hz as the key technology of inverter air conditioners - low frequency control technology;

In 2010, Gree once again integrated various variable frequency control and compressor technologies, reducing the operating frequency to 6 Hz, and then reducing it to 1 Hz - a historic breakthrough in Gree's key technologies for frequency conversion, not only surpassing domestic counterparts, but also Beyond the international counterparts.

Adhering to its own brand, adhering to the path of specialization, and adhering to independent innovation are the basic strategies Gree has pursued for many years.

Many people once asked that the air-conditioning industry is basically a small profit. Why did Gree not consider expanding into other fields and take a diversified road? Dong Mingzhu answered the questioner's “excellence” with four words. “I only did one thing in my life. I believe that Gree will still stick to the air-conditioning specialization road in the next 10 years.”

Dong Mingzhu said that if Gree Electric Appliances maintains a growth rate of 20% in 2012, its annual revenue is expected to reach 100 billion yuan. Gree Electric Appliances will also become the only company in the home appliance industry in China that relies on a single category of air conditioners to realize 100 billion yuan, creating a new historical record for the home appliance industry.