The edges,made of welded cold-drawn low-carbon steel wire,are cylinders.Together with the mesh forming a whole.And then connect with the steel tube by the clips. Beautiful appearance,broad view,easy installation,bright and easy feeling. Anping FuYan Metal Products Co,Ltd Tel:86-0419-3792880 ADD:Nanxinying Industrial Zone. Anping.Hengshui City.Hebei.China Website: http://www.wiremeshmetal.net Email: sales2@wiremeshmetal.net