sell very strong metal school desk and chair

1)Desk and chair metal frame we use high-frequency and cold-stretch welded tube.the steel tubesize:49x20x1.1mm      

2)round tube: Dia:19mmx1mm(thickness).                  

3)steel drawer:0.7mm gauge                          

4)lateral steel:1mm gauge                                   

The steel tube painted by static electric powder coating.the MDF panel is moulded by one time.