Zinc steel fence It is beautiful and transparent. It is mainly used in school fences, factory fences, community fences, etc Square tube Punch 19 vertical bars, 35 square pipe punch 19 vertical bars, 35 square pipe punch 20 vertical bars, 35 square pipe punch 22 vertical bars, 40 square pipe punch 19 vertical bars, 40 square pipe punch 20 vertical bars, 40 square pipe punch 22 vertical bars, 40 square pipe punch 25 vertical bars, 45 square pipe punch 25 vertical bars, 50 square pipe punch 30 vertical bars, 60 square pipe punch 30 vertical bars. The 50 square tube and 60 square tube fences are more secure and more used by schools, which are favored and recognized by many customers. If you want to buy zinc steel fence materials, you can find Hongzhou Jinlong. The company's factory is located in Building 6, Boyi Industrial Park, Tianyi Avenue, Xiangtan County, Hunan Province. Convenient location and transportation. Tel: 13549687099 Ma Guxiang