3x3M Exhibition System, Modular Exhibition Booth For Trade Fair,Aluminum Tradeshow Stand

1. Can be inserted into aluminum beam which has a chamber of 21 x 12 mm. And the diameter of round hole size on aluminum beam is 13mm, and the hole center to beam edge is 45.5 mm.
2. For connecting the aluminum exhibition system with 4.3 mm or 4.5 mm groove.
3. It is comparable with Germany system.
4. 200KGS loading capacity tension.

This board is fireproof and waterproof water, even they are immersed into water for one month,they will never change anything. The material is plastic and wooden.
Meanwhile this project already passed appraisal of national authority branch.
please see attached photo of report. The size is :970mmx2400mmx3.4mm