Chinese Learning website marketing

I am launching a website about chinese online learning with native [login to view URL] we are exploring US market. I hope you can market our website to targeted folks in US. our website is : [login to view URL] I hope you can describe how to make the optimization such as blog comment,BBS, articles,etc or any tools. For the moment, I would like to improve the following keywords: Mandarin Lesson Chinese lesson Mandarin course Chinese course Mandarin Class Chinese Class Chinese Online teacher Mandarin online teacher Please calculate the price for these keywords for SEO, Thanks