There is a place opposite Mianyang No.4 Middle School called "New Viewpoint" (an alley, you can ask people there), which teaches Korean, Japanese, French, English and other languages. There are classes every winter and summer, and the price is more than 300.
Mianyang Wal-Mart also has a party school and a special place to teach foreign languages, including Japanese, and the price is similar. There are classes in winter and summer vacations. You can consult ~