1. official website, Education Bureau of Dalian, inquired that the textbook purchasing bookseller of Dalian Institute of Science and Technology purchased from the textbook supply department of Dalian Xinhua Bookstore Co., Ltd., which was established in May of 1984 and located in changchun road, Xigang District, Dalian, Liaoning Province.

2. Dalian, also known as Bincheng, formerly known as Darini and Qingniwa, is a sub-provincial city and a city with separate plans in Liaoning Province. Located at the southern tip of Liaodong Peninsula in Liaoning Province, on the coast of the Yellow Sea and Bohai Sea, backed by the northeast hinterland of China and across the sea from Shandong Peninsula, it is an important economic, trade, port, industrial and tourist city on the eastern coast of China.