The base of the buckle type leveling device is disposable, which needs to be purchased according to the actual needs of the user. It is recommended to buy more bases according to the calculation of th···
In recent years, the central government has successively issued relevant policies to promote green buildings and prefabricated buildings, formulated industry guidelines and set construction goals. Fro···
At present, there are two kinds of finished drainage ditches on the market, one is the second generation product - resin concrete finished drainage ditches, and the other is the third generation produ···
