... ,aluminum truss 3,different size 4,have a long history network light trussMaterial size details: 150*150mm,200 * 200mm,300*300mm ... , round frame, arc frame Color: Optional.Connection: screw or boltCanopy:sun canopy ,rain canopy. no canopyCertification:CE, TUV, ISO9001 certificatedRemark:we ... manager ID is cn220005433 my mobile number is 0086-13662486584. network light truss