1. Only the State Intellectual Property Office can authorize patents
2. You should ask if there is a patent application agency
3. Help you I checked several firms that your company in Ziyang applied for as a cooperative patent agent
Sichuan Patent Service Center
Chengdu Jiuding Tianyuan Intellectual Property Agency Co., Ltd.
Neijiang Hongye Patent Office
Yiyang Patent Office
Chengdu Xinbo Patent Agency Co., Ltd.
Hope it can be helpful to you!