Uni-Silent Industrial Plastic Multi-Purpose Single Fixed handrail Platform CarProduct Features:Fixed Handrail:Firm and StablePowder Spraying:Pleasing and Environmental-friendlyPlastic Plate:Suitable for all kinds of weatherCastor Materials:Both natural rubber tyre for floor use and PU tyre for outdoor use.Specification Sheet:Optional Castors:PLA200 Super Silent:Natural Rubber Tyre + Nylon BracketPLA200Y Advanced Silent:Natural Rubber Tyre + Steel BracketPLA200T Ordinary Silent:TPR Tyre + Steel BracketPLA200P Normal Silent: PU Tyre + Steel BracketProduct Description:Suitable for logistics distribution, cargos delivery of stores, goods carrying of large distribution centres, goods transportation in shopping malls, small cargo moving in street markets etc.FAQ:Q: Do you have appearance patent certificates for your hand trolleys?Yes,we have appearance patent certificates for our decks,natural rubber rigid castors and swivel castors.Q: Do you have utility model patent certificates?Yes.We have utility model patent certificates for handrail,brake and handrail folding bracket.Q: What’s the core material of natural rubber castors?It’s Nylon.Q: What’s the core material of TPR and PU castors?It’s PP. http://www.unisilent.com/plasti...andle-platform-cart.html