Beautiful appearance, whether the environment is also very important. When the purchase, consumers can first open the sealed packaging, the probe into whether there is a pungent smell. If you make the flow of tears, sneezing, the release of formaldehyde is relatively high. Come to the network to remind the majority of consumers are harmful substances released by the use of the door is a cheap man-made board, and therefore the whole set of wooden doors are often very low prices. Due to the use of a large number of cheap man-made board of poor quality glue, resulting in a variety of harmful substances released from the amount of serious standards, so we should be alert to low-cost trap.