... REACH, FDA, NSF, UL, etc.7. Style: O ring, X ring, D ring, V ring, etc.8. Applications: automobile, electrical appliance, mechanical, industrial, ... quality control and assurance system.3. Compression machine: 11 sets, from 50 tons to 200tons.4. Secondary vulcanization oven: ... 2 sets.5. Production capacity: 5000,000pcs.6. High efficient management ...