Zhengzhou double vigour chemical pr

We are manufacturer and trading company of rubber chemicals from china.the products list of our company is as follows: rubber accelerator: mbt, mbts, tbbs, cbs, (nobs, tmtd, dpg, tmtm, zdec(ez) , zdbc(bz), zdmc(pz), zmbt(mz) rubber antioxidant: 6ppd(4020), ippd(4010),tmq,dfc-34,ble, a, d vulcanizator: dtdm, is60, is6005, is6010, is90 scorch retarder: pvi some of them have acquired pre-registration number of reach.