This door is treated by various processes, and its surface is resistant to acid and alkali erosion and is not affected by air pollution, acid rain and ozone. UV resistant, long-term maintenance of inherent color and luster.
It has the advantages of light weight, high strength, corrosion resistance, small deformation, strong fire resistance and long service life (more than 50 years)
Before installation, the construction shall be carried out according to the plan, and the varieties, standards, opening direction and support pieces of doors and windows shall be checked.
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