What large factories are there in Lanzhou New District?

There are Gansu Lang Jun New Materials Co., Ltd., Chengdu Taihe Ye Wei Biotechnology Co., Ltd. Lanzhou New District Branch, Gansu Junmao New Materials Technology Development Co., Ltd., Shanghai Kang Peng Technology Co., Ltd., Kangpengweier Chemical Co., Ltd. and so on. There are many companies and many large factories in this place. See what factory you want. It is said that there are more factories in this place because it is wider. Hmm.