MA

MA Mark is mandatory safety and quality mark applied for coal-mining equipments, materials and instruments marketed in China by either domestic or overseas manufacturers. It is required for products in 12 groups, divided into 118 product categories in total.

The catalogue of MA Safety Mark

1. Electrical Facility

High- and low-Voltage Equipment;
All sorts of flameproof switchgear, transformer, electric controller, junction box, charger, electromagnetic starter, power panel and etc;
Flameproof Electric Motor;
Flameproof A/C and D/C electromotor;
Explosion-resistant generator;
Mining Pump;
All sorts of pump implemented on mining site;
Comprehensive Protection Device;
Other Flameproof Electrical Apparatus;
Flameproof electric meter, magnetic sensor, electromagnetic valve, explosion-resistant camera, flameproof enclosure and etc.

2. Lighting Apparatus

3. Explosion Material and Detonating Device

4. Communication and Signaling Device

5. Drilling Apparatus and Accessory

6. Hoisting and Conveying Instrument

7. Dynamical Motorcycle

8. Ventilation and Dustproof Device

9. Fire Resistant and Antistatic Material

10. Inspecting and Monitoring Instrument on Environment, Safety and Working-condition

Inspecting apparatus and meter on gas atmospheres;
Inspecting and monitoring system on safety and production;
Life saving apparatus;
Other safety apparatus.

11. Bracing Equipment

12. Excavation Machine and Accessory Equipment