China First Rubber Auxiliary Plant
China first rubber accelerator plant is : Shenyang Xinshen Chemical Plant. It is built in 1952. Products are rubber accelerators : MBT, MBTS, DPG.
In 1996, it changed name as Northeast Auxiliary Chemical Industry Co.,LTD.
China first rubber antioxidant plant is : Petrochemical Nanjing Chemical Plant.
Popular goods are rubber antioxidant TMQ, IPPD, 6PPD etc.
This company still develops well until today!

