Supply single open billboards | outdoor billboards manufacturers | aluminum billboards custom product parameters: Product Name: Outdoor billboards / single open billboards brand: Jun Tao custom processing: color: bright silver process: Machining border profiles: Aluminium alloy manufacturers: Jun Road Equipment Co., Ltd., Zhengzhou advertising Advantages: beautiful appearance, matching function, easy to install, flexible, easy to maintain, easy to use suitable place: the business district, main roads, railway stations, schools, airports, tourist areas to I'll let you contact Surprise