Aluminum Hingesection, good for lifting the beam for Truss Projects.TUV Certificate is approved Guangzhou Kai Xia Audio Equipments Co., Ltd is offering Aluminum Truss, Stage, and Flight case. Your designed specification will be accepted by us.TUV Certificate is approved, Guangzhou Prolight and Sound Show, Booth#:B26/Hall 15.3.Main Function:Aluminum Hinge Section, with quick pins or Bolt ...