1.PA,PU,PP office chir wheel 2.BIFMA test 3.50,55,60 OFFICE CHAIR CASTERS &SWIVEL CHAIR CASTER&CASTERS WHEEL&CHAIR PARTS Details:Item No. DWD60A,DWD60B,DWD60CDimensionwheel size:D=60 mmmetal pin:11*22mmweightNW:28kg/ctnGW:29kg/ctnMaterial PU+NylonHoodNo hoodCertificate BIFMADelivery Time30 days after received deposit or L/C Lading PortShunde or Shenzhen portPayment TermL/C or T/TPacking 200pcs/ ...