analysis on complaint due to errors the product itself, since the Assembly is not yet properly or due to transport damage, find more information about these errors are not satisfied from the client side. In the case of complaints by phone need to listen and record their requirements, as well as their description of these products see errors, ... Need to provide to the customer on time to time complaints and promise to correct the problem thoroughly.At the same time notify the Engineering Department about the claims on the product, to the technical department can find out the causes leading to errors that have occurred on the product, the level of influence and solution of the product. At the same time, the Engineering Department will offer professional instruction guide replacing the parts necessary for the guest in the event of forced replacement
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