... international quality standard: ISO 9001:20082.Company: Flywheel Caster Manufacturing Ltd., established in 1981, which is located in ... high corrosion-resistance.Now it already has become a professional caster company which integrates design, manufacture, assemble, inspection and ... wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic, phenolic and ...