Shi Lan specializes in Japanese.
I want you to go to Xiangzhou Cultural Square, where there are many adult amateur foreign language training schools, usually from 7:30 to 9:30 in the evening. Classes are also held during the day, Saturday and Sunday.
2 TPR school is also good. It has seven stores in Zhuhai. Some branches also train Japanese. There is one in the Cultural Square. Xiawan, Wan Chai Sha and Gongbei.