Abacus mental arithmetic training institutions certainly make money. Any training institution will not operate without making money, and abacus training institutions are no exception.

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Xu Sizhong's abacus mental arithmetic teaching material is the only official abacus mental arithmetic teaching material approved by the Ministry of Education in China at present, which is completely connected with primary school mathematics and has the most advanced arithmetic and teaching methods, and has been highly recognized by the vast number of social training institutions and education systems.