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 payment  Product Details: Place of Origin:Fujian,China(Mainland) Caster Type: Heavy Duty  Caster Attachment Method:Plate Application:Backroom,Food Service,Institutional,Janitorial Color:Black Wheel Material:Alumnium Core Elastic Rubber or Plastci Core Elastic Rubber  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.Plastic Core Elastic Rubber Caster: The caster is made of high elastic natural rubber and Nylon  which is low temperature resistant,high elastic,anti-aging, resistant to radiation and super mute.Plastic Core Elastic Rubber                                Double Ball