What are the materials for applying for national patents, and what are the methods and procedures for applying for national patents?

There are strict requirements on the materials and methods to be submitted when applying for a patent from the State Patent Office: documents to be submitted when applying for a patent (documents must refer to the unified table style stipulated by the Patent Office) 1, documents to be submitted when applying for a patent for invention: a request for a patent for invention; Description; Claim; Description summary; The drawings can be submitted at the same time as the drawings. The above documents need to be in duplicate. Where it is required to slow down various patent fees, it may make two requests for fee reduction at the same time. 2. Documents required to apply for a patent for utility model: a request for a patent for utility model; Description; Claim; Description summary; Attached drawings of instructions; Abstract attached drawings. The above documents need to be in duplicate. Where it is required to slow down various patent fees, it may make two requests for fee reduction at the same time. 3. Documents required for applying for a patent for design: a request for a patent for design in duplicate; Design drawings or photos in duplicate; Where color protection is required, two drawings or photos in color and black and white shall be submitted; A brief description of the design in duplicate; Where it is required to slow down various patent fees, it may make two requests for fee reduction at the same time. Patent application documents can be submitted directly to the Patent Office or registered by post office. Application documents are generally not allowed to be folded, and should be registered and mailed in an envelope that can hold A4 paper. But the best way is to send it by courier through the post office.