Aluminum folding insulated waterproof door, good heat resistance, good waterproof sealing, rust and corrosion prevention and beautiful

GDAA mainly engaged in the test and research of non-ferrous metals and new alloy materials,
especially in 2000 series, 3000 series, 5000 series, 6000 series, 7000 series and other industrial aluminum alloy profiles.GDAA have pioneered the one-mold multi-cavity extrusion process in China,and have continuously explored experience for the application prospects of China's aluminum industry