Four generations of the Dongs are experts on curing asthma, and developed secret recipe. Dr. Dong idealized the recipe by combining modern medical theory, so that the effectiveness was increased incredibly.

　　1990, he quitted the job and established BAOMIN CHILDREN ASTHMA TREATMENT CENTER. He was awarded as first class of “Inner Mongolia Excellent Essay” in 1991. 1998, “Da Kong Bao” Hong Kong reported BAOMIN CHILDREN ASTHMA TREATMENT CENTER was elected in “Dictionary of World Best Expert” by “World Culture and Arts Research Center”, “China International Communication Publisher” and “China Scientific Communication Center ”.

　　Inner Mongolia Scientific Office evaluated “Dr. Dong‘s Exclusive Technology of Treating Trachitis, Asthma, Pulmonary Emphysema.” Result in intangible assets of 10,032,000 RMB (about 1.2 million $US)

　　Dr. Dong’s patent of treating asthma was elected into <National Important Patent Technology>, <National 21X Conversion of Patent into Practice>, < National Patent Technology Attracting Bid for Invite Investments Project > and gold medal of “Hong Kong International Hi-Tech Expo”.