Baiyin is near Lanzhou.
Baiyin, also known as Copper City, is a prefecture-level city under the jurisdiction of Gansu Province, the core area of the Great Lanzhou Economic Zone and the sub-core of the Lanzhou-Baicheng metropolitan area. The total area is 21,2 square kilometers. As of 219, it has jurisdiction over 2 districts and 3 counties. According to the data of the seventh census, as of : on November 1, 22, the permanent population of Baiyin City was 1,512,11.
Baiyin is located in the northwest of China, the upper reaches of the Yellow River, the central part of Gansu Province and the four provinces of Shaanxi, Gansu, Ningxia and Qinghai. It is the largest multi-variety non-ferrous metal industrial base in China, an important new chemical energy base in the west, a characteristic industrial base of non-ferrous metal new materials and products under the National Torch Plan, and a national demonstration base of new industrialized industries.
In p>219, Baiyin accepted 1,174 patent applications, a year-on-year decrease of 5.25%; 651 patents were granted, 151 fewer than the previous year. 21 applications for invention patents were accepted, 2 fewer than the previous year; 51 invention patents were granted, an increase of 2 over the previous year. By the end of the year, there were 381 valid invention patents in the city; The number of invention patents per 1, people is 2.2.