What are the big enterprises in Mianyang Economic and Technological Development Zone?

There are many enterprises in Mianyang Economic Development Zone ~ ~ The larger ones are Sichuan Changhong Dongyuan Precision Equipment Co., Ltd., Sichuan Hongou Display Device Co., Ltd., Mianyang Guo Hong Digital Communication (Group) Co., Ltd., Mianyang Ford Relay Co., Ltd., Mianyang Hengxin Magnetic Materials Co., Ltd., Mianyang Yang Jinhua Electric Appliance Manufacturing Co., Ltd., Mianyang Bolan Technology Co., Ltd., Mianyang Xinyang Electronics Co., Ltd., Mianyang Weiqi Electronic Technology Co., Ltd., Mianyang Xinling Electronics Co., Ltd. Sichuan Hengwang Electronic Technology Co., Ltd., Mianyang Guo Hong Digital Technology Co., Ltd., Sichuan Donghong Technology Co., Ltd., Mianyang Delixi Electric Control Equipment Co., Ltd., Mianyang Bai Rui Electronics Co., Ltd., Sichuan meifeng Chemical Co., Ltd., Mianyang Lier Chemical Co., Ltd., Sichuan Xu Hong Photoelectric Technology Co., Ltd., Sichuan Ripu Fine Chemical Co., Ltd., Sichuan Xipu Chemical Co., Ltd., Sichuan Cai Dong Science and Technology Group Co., Ltd., Mianyang

These are just some of them ~ ~ I haven't been there for a long time ~ ~ Now there must be other big enterprises settled down ~ ~