2. It is a management area, not an administrative area, so it can't be found on the receiving address.
3. High-tech Zone refers to the national high-tech industrial development zone, which is divided into two parts. Usually, high-tech zone refers to the junction of Wuhou District and Shuangliu, and there is also a high-tech west zone at the junction of Xipu and jinniu district in Pixian County. The scope can't be found on the map, because it's not an administrative area, but an administrative area.
Chengdu High-tech West Zone is a national high-tech industrial development zone approved by the Ministry of Science and Technology. It is an important carrier for implementing the "No.1 Project" of provinces and cities, an important base for gathering and developing high-tech industries such as electronic information and modern Chinese medicine, and an important support for Chengdu to build a strategic highland in the west and achieve leap-forward development. Chengdu High-tech West Zone is located between the West Third Ring Road and the Ring Expressway in Chengdu, 6 kilometers away from the center of Chengdu, with a development area of 10 square kilometers and a total area of 43 square kilometers.
References:
Chengdu High-tech West Zone _ Baidu Encyclopedia