With a large amount of R&D investment and technical support, Chang Hong has applied for 1,545 patents over the past two years, among which 695 are invention patents, 422 are utility model patents, and 428 are design patents. Statistics show that Chang Hong鈥檚 patented technology weighs over 85% in its new technology on R&D, and its patent technology implementation rate is higher than 98%. For the time being, Chang Hong鈥檚 patent number ranks No. 10 among Chinese enterprises and tops the Chinese household electrical appliances industry.
