SEO writer

I need a long-term writer for my project.
I am the founder of Daelim in China, we have a lot of content to write.
Most of the articles will be about the Power transformer, we are a professional Power transformer manufacturer in China. If you can handle this work, at least I can give you 30 articles every month.
You need to have experience in article writing, Google research, fast learning skills.
Below is what article I need:
1. Use the Second person “You” for all of your sentences
2. Your sentence must be short, get to the point, and be easy to understand
3. Short paragraph (not more than 4 lines for every paragraph)
4. Your article intro must be short and get to the point
5. Your sentence must use active voice
here is an example you can take reference  ----------
If you think you can satisfy this need, please send me 3 writing examples. Also, give me your cost every 1000 words. ( Take care, proposals WITHOUT examples will be ignored).