Ningbo Yinzhou Henxin Auto Parts Co.,Ltd which is the leading manufacturers in producing in Auto Parts:Monthly quantity we produce:TIRE VALVE: (tulbess/valve,clam-in/valve,tube/valve,truckvalve,OTRvalve,TR414/V3.20.6/TR572/TR545D/V3.14.1/TRJ650/TRJ1175/V3.06.5,etc) 10 Million pcs/monthTire repair tooling (air chuck,tire inflator guage,tire inflation hose,T-hand ,etc 1 million pcs/monthTire repair patch(for RADIAL/BTR/OTR/Tube) 0.5millon pcs/monthValve accessories (core/ cap,etc) 1 million pcs/monthWheel balance weight(Stick/clip typel) 500 ton/monthWheel Lock Nut 100000 pcs/monthAuto Maintenance tool(like Tyre changer,Tyre lever, Wheel balancer,Jack Lift,Air Tank,etc) 10000 sets/monthOur product has high quality with TUV/ISO/TS16949 certification Our customer are well known brand wheel and tube maker and chain super mark