Install the Fuxin Editor APP for iOS first, and then start the following operations:

1. Import the contract PDF file into the phone memory;

2. Start the APP, and the APP will automatically search the PDF document in the memory of the mobile phone;

3. Open the PDF document to be signed, and click the "convert" function at the bottom;

4. Select the "Signature" function to create your handwritten signature;

5. Click any blank part of the PDF document to add the newly created signature to the document;

6. After successful addition, drag to change the signature size;

7. Save the PDF document after completion, and you can send the contract directly to others.