... international quality standard: ISO 9001:20082.Company: Flywheel Caster Manufacturing Ltd., established in 1981, which is located in ... corrosion-resistance.Now it already has become a professional caster company which integrates design, manufacture, assemble, inspection and ... , TPR, PU, plastic, nylon, cast iron, pneumatic, phenolic and sandwich, etc. Our housings have special sizes for different ...