... -bump function 4.Over 10years used life Model: electric factory gate Material:Alloy-6063, 201# 304# stainless steel ... useful for:Government, company, factory, industrial, mining enterprises, institutions, colleges, stadium and shopping center, car parking main entries and schoolQty for ... parks gates, factories & company gates, Bus stop gates, parking lots gates.Second, it is new and uptrend business for ...