To apply for an RCM certificate, the following documents are required: 1. RCM application form and authorization letter 2. Product manual, specification sheet, and nameplate; 3. Circuit schematic diagram of the product; 4. List of key components of the product and corresponding certification certificates; 5. List of product model differences; 6. Additional model photos of the product; 7. Three main test model samples; 8. Product qualification test report.