1.CE (EN1263) & TUV chemical test 2.3 years service life 3.excellent UV resistance 4.established at 1992 5.OEM available Rizhao Huifeng has been established since 1992. The products have passed CE (EN1263) certificate, TUV chemical test and ISO9001 Quality System.Safety nets include construction safety net and scaffold net.We have special checkout equipment in our laboratory. The products have ...