Building materials purchase guide: how to choose the window for home decoration 4

Brief content: good sealing, good sealing window, when the summer is hot, indoor air conditioning, can keep the room temperature unchanged, thus saving users a lot of electricity. At the same time, when the wind blows or winds sand, there will be a lot of dust in the room, and the well-sealed windows will never let the sand come in. = 1. The material itself must be green