Handan. com has always insisted on model innovation, creating a "multi-tour a day" model, and opening a vertical hotel channel, cosmetics channel, group room channel, local life service and group purchase of physical products. As a leading enterprise in the group buying industry in China, Handan.com opened 12315 green channels in 11 key first-tier cities in China before March 15th, 212, thus ensuring high-quality after-sales service for users.