Time:2019-07-17 View:2334
First, we need to understand the existing product technology. Existing technologies include product design principles, performance, and related accessories. Doors, windows and curtain walls have their own use performance, but the ways to achieve the use performance are different. We need to underst...
Time:2019-07-17 View:1603
There is an old man who loves quiet, but there are often children playing nearby and making a terrible noise. So he called the children together and said, "I'm very cold. Thank you for making it more lively. After that, each of you hair three candies." The children are very happy and play every day...
Time:2019-07-17 View:1730
The industry prospect of heat insulation profile series. The material (heat insulation is 1250 times higher than that of aluminium profile) separates and tightly connects the two layers of aluminium alloy inside and outside to form a new type of heat insulation aluminium profile.