Shopping carts are integravitely designed and are strong enough for any impact. The cart body has special fastening so that it is light and strong. The surface treatment of each shopping cart is specially processed by increasing zinc-coating level up to 12 micron and powder-coating level up to 30~50 micron for the best quality of corrosion-resistance. The best quality of the casters for the shopping carts ensure the stability and flexibility when in use. And the special design for the caster bearings reduce the noise of the casters lower than 30DB. Many kinds of casters for the shopping carts are available for different ground and store environment , such as standard casters, autowalk casters and escalate casters. Many other accessories for the shopping carts are available to meet your own demands.