You can choose from the following:
Aluminum alloy die casting. The advantages are beautiful appearance, environmental protection, corrosion resistance, high temperature resistance, long service life and so on.
Stainless steel. The advantages are corrosion resistance, beautiful, easy to clean and so on.
Iron. The advantages are sturdy and durable, strong load-bearing capacity, affordable and so on.
There are also wooden spotlight brackets, acrylic spotlight brackets and other programs, but these programs are less common in the market to choose aluminum alloy die-casting, stainless steel or iron spotlight brackets.