Rectangular steel column for the advantage of the fence of the prison 60X60 top welded V type of aircraft. Or use 70mmX100mm of hanging connection column. Products are hot dip galvanized fence, after the adoption of high-quality polyester powder coating, using green more. Connection: The main use of the characteristics of M card prison fence, hold the card connector. Surface treatment: galvanized, hot galvanized, spray, dip prison guard rail is mounted horizontally gillnets, also available on the secondary fence prison fence installed to effectively prevent escape climbing. Piercing type gill nets buffer zone, with cylinder and Barbed Wire horizontal, vertical, diagonal cross into gillnets binding buffer zone. Mainly used for special zones, military bases ringfencing, trenches ringfencing, easy to install, economical and durable. Prison Fence is also called "Y-type security and defense grille," by the V-shaped bracket column, enhanced solder tabs network, security, security fittings and galvanized razor wire cage consisting of defensive intensity and the high level of security. It is now being widely used in prisons, military bases, high security locations. Prison Fence use | Prison Fence | Lan Lan Sheng screen provided by the Hebei Sheng Metal Products Co., Ltd.. Hebei Lan Sheng Metal Products Co., Ltd. (www.lanshenghulan.com) strong, credible, Hengshui in Hebei wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Lan Sheng innovative ideas will lead into the brilliant screen and you work for a better future!