*rubber accelerators:a)thiazoles: mbt, mbts, zmbtb)sulphenamides: cbs,tbbs, nobs, dcbsc)thiurams: tmtd,tmtm, dptt, tetd, tibtd, tbztdd)dithiocarbamates: zdmc, zdec, zdbc, px, zbec,tdece)thioureas: etu, dptu, detuf)guanidines: dpg, dotg**antidegradants:ippd, 6ppd,tmq, mb, mbz, antioxidant a, antioxidant d**vulcanizing agents:dtdm, is**other special chemicals:ctp, ndbc, ndibc, ndmc, bht

mbt, mbts, zmbt, cbs, ns, nobs, dcbs, tmtd, tetd, tmtm, tibtd, tbztd, dptt, pz, zdc, zdc, px, zdbc, etu, detu,dtdm,pvi,mb, mbz, mmb, 6ppd, ippd, d, sp, rd

rubber accelerators, manufacture and sales. include cbs, tbbs, nobs, tmtd, tmtm, tetd, dptt, tibtd, tbztd, zdmc, zdec, zdbc, etu, ddtu, detu, dpg, dotg, dtdm, tmq, mb, mbz, ctd, mbt, mbts, zmbt etc