By producing its first air conditioner in 1973 Chunlan becomes the earliest manufacturer of air conditioner in China and the first listed company in air conditioner industry. Chunlan continuously goes in for the research and development of the core technology in air conditioners. Its silence, stability and comfort feature row over the other companies. Because of the breakthrough of environment protect and energy efficient technology, Chunlan is the main constitutor of national standard for environmental and energy-efficient air conditioners
