How do enterprises apply for product patents, and what materials should be submitted to apply for patents?

The patent of the line answers for you:

Different types of patents have different application materials.

(1) To apply for a patent for invention, the application documents shall include: the request for a patent for invention, the specification (with attached drawings when necessary), the patent claim, the abstract and the attached drawings in duplicate.

(2) To apply for a patent for utility model, the application documents shall include: the request for a patent for utility model, the specification, the appended drawings of the specification, the patent claim, the abstract and the appended drawings in duplicate.

(3) Where an application for a design is filed, the application documents shall include: a request for a patent for design, pictures or photographs in duplicate. Where color protection is required, a color and a black-and-white picture or photograph shall also be submitted. If it is necessary to explain the pictures or photographs, a brief description of the design shall be submitted in duplicate.