How to distinguish the pros and cons of vases?:Flower vases

1, we should first check whether瓶底smooth. Will be placed in a vase on the plane, hands lightly touching, to see whether the vase will shake. 2, check whether the bottle color uniform. On this point vases paying particular attention to color. However, as shown by the show's color does not belong to this problem, it is because of artificial flowers is blowing in the uplift of the color will be smeared out, is a normal phenomenon. 3, is to see whether there is a vase on the large pieces of black stars like objects, such as vases production of raw materials have not yet fully open the, if not very small stars like OK, but if you need more than 5 mm and contact the seller To replace the products. 4, see whether there is a large vase on the bubble (of the intentional production of the bubble category except vases). If a lot of bubbles and together, can not be; bubble diameter is too large, can not be. (Bubble diameter size and the number of terms of the size of the vase) 5, vases mouth if I was cut, I need to see whether there is a collapse of the crop. Such as vases mouth open, I need to see whether the Department of rugged.