Classtalk Education

Classtalk Education is an online company based in Shenzhen, China. They provide ESL, mathematics and science teaching services for K-12 classes. The classes are from 8:00am to 6:00pm Beijing time. The salary is usually from  $25 to $30 for 40 minutes. And They have designed Power Point courses to help you earn extra money, and each course plan you create costs $35.