Hangzhou Costar Trade Co. Ltd.
Site Member
9 Years
zhejiang, hangzhou
Since 2015
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Why Can We Always Ensure Excellent Quality

Quality Control

Factory control: Every product undergo many times testing before leaving the factory

until no slighest problem.

Sales department will detect more than three times before shipment for each product,

detection through then the package can delivery, packaging is also very professional process

to make sure the safety during shipping.

Warranty: the guarantee of our most products is one year. Before shipping out, all goods have

been double verified . Our test engineer will check for quality, including check the basic function,

the appearance, the packing, the necessary accessories.

If you have any using problem of the products which buy from us, please feedback to us first,

and we will discuss the issue with you. Via our T&D department support, we can dig out your using

problem via our technical support in most of cases.

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