Shenhai Explosion-Proof
1. National Quality Supervision and Inspection Center for Explosion-Proof Electrical Products (CNEX)
2. Shanghai Automation Instrumentation Inspection and Testing Institute (NEPSI)
4. Jiamusi Explosion-Proof Motor Research Institute (JEXM)
5. Shenyang Electrical Drive Research Institute
6. National Mining Products Safety Mark Center for Safety Standards (AnBiao)
7. China Coal Science & Industry Group Shanghai Research Institute Testing Center
8. Chongqing AnBiao Testing & Research Institute
9. National Coal Mine Explosion-Proof Safety Products Quality Supervision and Inspection Center