Types of ventilation systems repair:ventilation check, installation of ventilation, installation of the chimney
Payment method:discounts on services preferential categories, discount system, prepayment, postpay, cash, payment by card, electronic money, bank transfer, cash on delivery, installment, cashless payment, online, QR code, Fast payment system, payment by credit card, making a loan
Promotions:discounts, promotions, special offers, bonuses, gifts