(1) a professional manufacturer of rubber chemicals since 1995. (2) cover an area of 135000m2. (3) passed iso9001, iso14001. (4) stable quality;environmental protection production. (5)superior products:powder like zdec, zdbc, zbec, zdmc, zmbt, dptt, dtdm, tdec, tetd, tcy, and masterbatch like Zno-80, cao-80, s-80, mbts-80, mbt-80, tmtd-80, etu-80, cbs-80, dptt-80, dtdm-80, zdec-80, zdbc-80, zdmc-80, zbec-80, zdtp-50, etu-80, mb-80. Coextruded paper bags lined with polyethylene film bags. Net weight 25 kg per bag.