No conflict.
Science and Technology Invention Category A requires a large investment in production and has a high technological content. Category Science and Technology Invention B has a small investment in production, which will bring convenience to production technology and social life. Category A and B Science and Technology Inventions can be used at the same time. Sign up, so the quotas for scientific and technological invention categories A and B do not conflict.
The auxiliary supporting materials required for scientific and technological inventions include papers, patents, soft works, scientific and technological novelty reports, authoritative test reports or technical appraisal reports, trial reports, production certificates, letters of recommendation from well-known experts, instructions, and related media Reports, award certificates from previous projects, etc.