Shandong Bureau of Quality and Technical Supervision launched a quality check over motorcycle tires in the second quarter of this year.
Thirty four tire models from 34 tire producers had been examined.
The sample check examined the size of tire casings, the intensity, durability and high-speed performance of tires, and the height of tire wear indicators.
Two tire models from two producers failed to pass the examination.
The sample check was conducted by China National Tyre Quality Supervision and Inspection Center, and the results are as follow:
Results of Quality Supervision and Sample Check over Motorcycle Tires.