Supply Ability:12000 pcs per day Payment Terms:L/C,T/T,Paypal,etc. OEM/ODM Service is available Free samples are available Lead Time:10-15 days after paymentProduct Details: Place of Origin:Fujian,China(Mainland) Caster Type: Super Heavy Duty  Caster Attachment Method:Plate Application:Backroom,Food Service,Institutional,Janitorial Color:Gray,White,Yellow Wheel Material:Alumnium Core Elastic Rubber or Nylon or Cast Iron  Features: 1:Alumnium Core Elastic Rubber Caster:The caster is made of high elastic natural rubber and alumnium alloy which is low temperature resistant,high elastic,anti-aging, resistant to radiation and super mute. Working Temp:-30°C-+80°CAlumnium Core Elastic Rubber                                Double Ball2: Nylon: These wheels are manufactured from virgin Nylon 6, white in colour, by injection molding. These wheels are light in weight, but have high load carrying capacities. These wheels can be used up to 90°C temperature. The acidic or alkaline chemicals have no effect on these wheels.Nylon                                Double Balls3:Cast IronCast Iron                                Double Balls