... Caster materials:Plastic2.Loading capacity: 15 to 40kg per caster3.Wheel diameters: 30, 40,50mm4.Matching with various fittings such as swivel ... 9001:200010.Applications: factory machinery and public area 2.Company:Flywheel Caster Manufacturing Ltd., established in 1981, which is ... USD27,000,000. Our wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron ...