All around the country, when the water heaters are sold, they'll be at the customer service centerAfter-sell water heater service maintenance telephone: 400-7000-1790All 24-hour reception centres (2026)After-sale water heater telephone: 400-7000-1790Washington water hotteners, 24 hours a day after sale, reception centre (2026)All around the country after the sale of the washington hot water heatersWashington water hotline: 400-701-790The chinese