rubber accelerator MBT,MBTS,CBS,TMTD,DPG,MBS,TBBS,DCBS,ZDEC,ZDBC,ZDMC,ZMBT,ZBEC,TMTM,ETU,DPTT,,rubber antioxidant TMQ,IPPD,6PPD,PBN,vulcanizing agent DTDM,Antiscorching agent PVI
kathy Zhang(manager) 86-371-63210302
关键词:accelerators,antioxidants,chemicals