德耐尔完善的全球4S销售服务网络
1、覆盖全国的销售服务体系，售后服务全国联保系统
2、遍布全球的200家国外授权经销商，构造全球联保系统
Sales Service System covers the whole China, and after-sales system is of nationwide warranty
Our 200 abroad authorized dealers around the world construct the worldwide warranty system