Complain online and contact the local consumer association. Complaints are reported through the China Consumers Association, 123 15 national cultural market website, etc. , explain the specific situation and provide relevant evidence. You can complain directly to the local consumer association, which will investigate and handle the complaint. Zhengzhou pinxue. Com Education Technology Co., Ltd. is an educational technology enterprise located in Zhengzhou City, Henan Province, China. Mainly engaged in the research and development and promotion of online education and intelligent education, and committed to providing students with more efficient, convenient and high-quality educational services.