タイトルまたは説明

1)  Material: Main pole diameter **0mm,  3mm thickness Q**5steel pipe;  Stainless steel screw and nuts; aluminium ground cover;

2)  Pipe surface treatment: double layer powder covered (first layer covered by DUPON powder mixed with *0% zinc powder; second layer covered by DUPON color  powder)                                                     

3)  No rusting under **0hours salty pray test (NaCl under *2°C temperature), , which equals to *3 years under nature environment;                                                

4)  No aging or deformation phenomenon after **0hours Xenon lamping aging test under *0°C,huminity*0% (by simulated sunshine,  rain and dew). **0hours equals to *3 years outside;                                                                    

5)  No crack or change after 8 hours under **5°C temperature and can work normally  after 8 hours under **5°C in High-Low Temperature chamber;