Hey, My uncle recently visited the Air China Office in London and had a smooth and pleasant experience. The office is located at West Wing, 11th Floor, 389 Chiswick High Road, London W4 4AJ, United Kingdom . He found the staff to be courteous and efficient, assisting him promptly with his flight inquiries and providing clear information on travel requirements. The office environment was welcoming and well-organized, which made the process of managing his travel plans straightforward. Overall, his visit to the Air China London Office left a positive impression, and he appreciated the efficient service provided.