Upright posts,beams and rails produced by Karyon have formed a complete fencing system.Because of its diversified styles,easy installation,and safety for use,this system can be widely applied as the fencing to river banks,trestles,pedestrian bridges,park divisions,and garden maintenance,and can present ever-new looks. WPC Pergola main feature: 1.User and environment friendly. 2.Can be processed like real wood. 3.Mothproof,Anti-rotten,Oxidation resistant,Moisture resistant,Skidproof. 4.Free from maintanance painting. 5.Cost efficient. 6.Less maintenance. 8.Long tenure of use. 9.Double-sided available. 10.Easy installation.