Huangming is the best. Advantages: The brackets are painted well and thick, and the screws are good. They will not fade for ten or eight years, and they will look like new. The water tank capacity of the same model is also larger, as is the controller (set), and the maintenance rate is extremely low. The disadvantage is that the initial investment is relatively large. Advantages of Siji Muge: economical and affordable, with high sales volume. It cooperates with China Aerospace. The disadvantage is that the paint surface of the bracket has a large color difference after many years.