As business aviation operations expand in China, more U.S. companies are establishing local offices to market their products and services. Aviatrade, a New Jersey-based jet acquisition consultancy specializing in Gulfstreams, has opened a branch office, Aviatradeasia, in Shenzhen, China. Meanwhile, AirCare Solutions Group of Olympia, Wash., has opened an office in Beijing to market its Facts cabin training program to Asian-based operators.