Specializing in Cantonese and Szechuan Food. Take Out, Delivery, and Party Trays. FREE Delivery on Orders Over $ Lunch Specials starting at $5. Authentic Chinese, Szechuan, Thai, Japanese, and Vegetarian Restaurant. Order Chinese online from A-One Asian Buffet - London, ON in London, ON for takeout, delivery, and dine in. Browse our menu and easily choose and modify your selection.