You should contact the Intellectual Property Office of Xinxiang Science and Technology Bureau. I'll help you find their phone number: 58 12785. The Science and Technology Bureau is located at No.443 Jinsui Avenue, Xinxiang City, with a telephone number of 580668.
They study intellectual property rights and also manage and guide the work of intellectual property agencies such as patent agencies in the city. They should be able to show you the way.
I wish you success!