1. With patent protect: PCT/CN2008/000277.

2. Can be inserted into aluminum beam which has a chamber of 21 x 12 mm. And the diamater of round hole size on aluminum beam is 13mm, and the hole center to beam edge is 45.5 mm.

3. For conneting the aluminum exhibition system with 4.3 mm or 4.5 mm groove.

4. It is compatitable with Germany system.

5. 200KGS loading capicity tension.

6. Easy and quick to assemble and disassemble  for the booth.

7. Most competetive price.

8. 3 years warranty.