Heavy duty Truss/
W520 FOLDING HEAVY DUTY TRUSS
The W520 folding truss designed as a heavy-duty truss system.This system is connected via a special conical connector withexcellent strength and stability, creating optimal traction,convenientfor assembly and collection, All the tubes and connectors weldingthrough the mould of semi-automatic,the fnished products are fxedin the standard mould welding can be guarantee the accuracy oftruss.In any conditons connect smoothly. This item approved the TUVcertifcate by Germany.