Professional level
Seller is professional? Commodity is not based on the data line? Customer feedback? How to credit? You can also ask some questions before buying to see if he knows the function of the data cable, in the future will not be used, but also telephone or e-mail consultation.
In addition you can take a look at how long this line of vendors data lines, and generally more than 2 years can be assured, it should have a certain degree of technical and perseverance.
Company business <
Personally, I think the company is more assured business, there is a physical location, in the event that if in the past on the spot to call them to engage in, if it is an individual, then never see the seller's home, ask him to help guide it. Another personal business that disappears disappear, who can guarantee that after some time you can find him, or find him
After the data line has been done this line, the lack of after-sale protection. (Data line this line when the professionalism is too high, many people can not hold down, many of our agents are done for some time to exit, of course, our representative is also on behalf of the company, we will provide follow-up services :)
After-sale technology
Whether the vendors can provide you with technical advice, whether there is a website to download software drivers, whether there is a data line forum for players to exchange, whether in this industry have a certain reputation, which are the factors of inspection.
After-sales service
Mainly the data line replacement problem, like meeting outside dealings, there is no physical store or physical company, they promised to be nice, what lifetime replacement, you do not believe it. Six months later, if you can find others still can not say it, there may be his store's data cable products have become other commodities, has already withdrawn from this line early. Recommended to find those big companies to buy more at ease, at least companies and stores can not move, after-sales or can be assured. There are those who promise free replacement, you can take a look at the field, whether they have the size of the data line, whether there is sufficient inventory, is not the spot can be for you.
scale
Strong sales of all data cable models at least Qi Qi Qi 80% above, the general will not be out of stock, the total inventory remained at more than a thousand, it is best to have a computer test, has its own testers, so buyers can be assured .
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