How to install industrial aluminum profiles? Can it be welded?

Industrial aluminum profiles are installed and connected using matching aluminum profile accessories. There are multiple connection methods, and the accessories used for different connection methods are also different. Common methods include drilling installation, bolt and nut installation, corner piece corner code connection, and so on. Connected with accessories, easy to disassemble, beautiful and durable, with good expandability. Industrial aluminum profiles can be welded, but only aluminum profiles that have not undergone surface treatment can be welded. And the cost of welding is high, difficult to disassemble, and not aesthetically pleasing. It is generally not recommended to use.