According to Oxy's official website, the air conditioner is divided into three levels, in which the 1 level energy efficiency ratio is the highest and the 3 level energy efficiency ratio is the lowest; the 1 level energy efficiency is now the most advanced level in the country and is the most power-saving, the 2 level energy efficiency belongs to the advanced level and is relatively more energy-saving, and the 3 level energy efficiency is the general level in the market now, which is relatively the least power-saving in the market.
Ox Group was founded in 1986, the industry covers home appliances, electrical energy equipment, medical, real estate, investment and other fields.