My friend and I went to the Air China Guiyang Office and it was a very good experience. The staff members were polite, professional and highly helpful in ensuring that all queries were attended to with great diligence. The services were efficient and well-coordinated, making it a hassle-free and stress-free process. The office was warmly inviting and well kept. We truly appreciated their exceptional customer service and would definitely recommend the Air China Guiyang Office to others.