销售战略：优质服务满足客户需求。
Selling strategy: high quality service satisfy customers 'requirement.
从而，形成一套完善的设计、销售、安装及售后服务的优质经营策略。
Thus, the formation of a sound design, marketing, installation and after-sales service quality management strategy.
销售战略：优质服务满足客户需求。
Selling strategy: high quality service satisfy customers' requirement.
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