Greetings,
I'm a professional native copywriter and I can precisely help you with this task.
I have successfully written various types of cover letters, email marketing, newsletters, letters, corporate business presentations, technical SEO optimized advertisement copywriting, guides/manuals, how-to content, social media posts, creative writing, press releases, web copies, sales copy/landing page to comprehensive whitepapers.
Feel free to message me so we can discuss further details.
Thanks.