1. national (chemical industry) rubber tire supervision inspection center (support unit: beijing research & design institute of rubber industry)
2. national (chemical industry) synthetic resin supervision inspection center (support unit: chengguang research institute of chemical industry of china national bluestar)
3. national (chemical industry) carbon black supervision inspection center (support unit: carbon black research & design institute)
4. national (chemical industry) rubber seals supervision inspection center (support unit: northwest rubber & plastics research & design institute)
