... .Tray Finish:powder coated or zinc plated.2.Wheel: pneumatic wheel ,solid wheel3.Tray:0.5mm,0.6mm,0 ... .7mm,0.8mm,0.9mm,1.0mm,and so on.4.Color ... and thickness: according to your requirement.5. We are manufacturer of wheel barrow in China ... Our annual production capacity reaches 2 billion pieces of wheel barrows & 4 billion pieces of all kinds of castors ...