Promotions:discounts, promotions, special offers, bonuses, gifts
Classes for children:computers and programming, foreign language, natural study, robotics, mathematics, speed reading, calligraphy and literate, lego lessons, English language, speech development
Payment method:discounts on services preferential categories, discount system, prepayment, cash, payment by card, electronic money, bank transfer, via sms, cash on delivery, installment, cashless payment, online, QR code