Company Profile PortalAsia provides a complete range of communication, education and consulting services to businesses and students in the U.S. and China. PortalAsia's President, Aidong Ni, has many years of experience in translating, interpreting and teaching Mandarin Chinese, and is a California Court Certified Mandarin Interpreter. General Resume of Aidong Ni (pdf) Technical Resume of Aidong Ni (pdf) Ms. Ni interpreting at a Chinese business procurement conference in Seoul, Korea... ...and on a trade delegation touring a Chicago steel plant.