How to write an application to the company to buy social security?

The application form for purchasing social security from the company is written as follows: Dear company leader: Hello! First of all, thank the company leaders for their training and help. I'm XXXX. I've been working in the company since XX, and it's been X years now. With the continuous development of the company, my personal ability is also constantly improving and progressing. Because I cherish and love this job, I have been working hard and responsible in my post. Here, I apply to the company to buy social security. I hope the company can approve it. Thank you! Salute! Applicant: XXXX year x month x day