... pp -swivel type Name:high qulity PU/PVC caster wheel for furniture Detailed technique parameter:caster material:nylonwheel diameter:100mm ... manufacturer specializing in the production of various caster and wheel for industry, commerce, medical and mechanical applications since 2000. ... ,ASTM, CE, SGS, and CPSC various standards for different countries. high qulity PU/PVC caster wheel for furniture