1.   metal joints are some flexible connections.

2.   With these joints and  pipes ,you could design varieties of racks ,workshop, shopping mail 

      and so on .

3.   The surface treament we use zinc, chromium ,nickel and electrophoresis.

4.   This connector is widely used in kinds of logistics system. They are solid and good reflect the value

      of the products.

5.   For the packing ,we use plastic film and carton , the thickness of steel plate what used for producing

     joints is 2.47mm.