技术支持用英语怎么说

after-sale service and technical support售后服务及技术支持Ricoh has always stuck to the principle of "putting itself in customer's position"，contemplate customer demands， and establish rapid response and trust worthy after-sale service and technical support. 理光始终坚持“设身处地为客户着想”，预期客户的需求，建立快速反应和值得信任的售后服务及技术支持。