EL sheet,EL light,EL panel,EL T-Shirt,el product,EL MUSIC T-SHIRT,el panel t-shirt,el flash t-shirt,el sound active t-shirt Shenzhen Pengyulong Optical Technology Co., Ltd. specializes in producing ... , PE, PP, glue bag or paper carton50pcs/ctn EL sheet,EL light,EL panel,EL T-Shirt,el product,EL MUSIC T-SHIRT,el panel t-shirt,el flash t-shirt,el sound active t ...