When buying this brand power supply is because I go to the store just a friend to buy such a product within their company, because my friend has eyes are very good, he usually buy things I feel very good, then follow him before buy some other products use I always think it is very good for this, he also saw in the purchase of power supply I immediately decided to give us the company bought the brand power supply, ha ha, now look to my own thoughts too wise, because our company since using this is a power supply and there haven’t been other problems, so good products is true love.