4. sales systemHere are some models mainly:1. genuine after-sales systemSelf-organization by the company with the entire cost, capital and employee of the airline. This usually ensures the highest quality song enormous costs.2. system combined with commercial companies, engineeringThis way the company charges a portion of capital with poor nghặt conditions such as location, equipment needs, the design of the stores, staff training, computer exclusively in the provision of services for the airline. However, due to less expenses should also more scalable.3. Authorization systemThe company conducts authorized for commercial companies, selection techniques, even the cửahàng made the after-sales service. The company undertook the design of minimum system and training for members of the authorised party.This is only effective with simple products. The client does not trust so much with the way làmnày and actually controlling the facilities authorized to make its rules is very difficult.
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