Big Pizza Buffet. In order to give back to diners, Big Pizza Buffet has launched a free meal event on birthdays, as well as various small gifts, which is very considerate for birthday customers. Baotou, also known as Jiuyuan and Lucheng, is located in the west of the Inner Mongolia Autonomous Region, bordering Mongolia to the north, the Yellow River to the south, and the Tumochuan Plain and the Hetao Plain to the east and west. Baotou is an important hub connecting North China and Northwest China, and is a key development of Inner Mongolia's opening up to the outside world. area.