... manufacture specialize in Led light extrusions parts. 2).Material:PVC, PP, PE, TPU, Silicone,TPR,ABS,POM,TPE ... . 3)Good heat dispersion4)PC cover is good for tenacity and quakeproof5)Tube need not glue but screw ... ,and have suitable holder for it6)All parts have got CE&Rohs certification7). ... gold and silver jewelry and fashion lighting. Plastic pvc profiles cover for Led light