It's true. According to official website's inquiry, the staff of Nanjing Dolphin Education are divided into formal, junior and senior teachers, and each level includes three levels. The promotion opportunity depends on the continuous consumption of class hours, including salary of 5,000 to 8,000 yuan, five insurances and one gold, attendance award, paid annual leave, employee travel, performance bonus, holiday benefits, housing accumulation fund, meal supplement, unemployment insurance, transportation subsidy and other welfare benefits.