Joytongda Factory Full Container Rubber Conveyor Belts Export to Australia,Coal mining, metallurgy, harbor (port), power, chemical, Foundries, Iron and steel, Construction, Cement, Fertilizer, Copper, Pig Iron Ores, Sponge Iron Reserves etc. ...

The key links of the new production process of rubber antioxidant 4020 have been verified by two monthspilot test, breaking through the technical blockade at home and abroad. Compared with the existing technology, the new process greatly red...