The Quality Standards of Our Factory's Solid Tyres and Wheels
1. Testing standards: Our company's testing standards for wheelchair tires are based on the international standard (ISO7176) and national standard (GB/T12996) of wheelchairs, and the quality standard of our tire's physical properties have been developed according to the maximum load capacity of wheelchairs;
2. At present, in the aspect of wheelchair tires & wheels, our main testing items include physical appearance (color, shape, damage condition, etc.), tire hardness, tire size, resilience test, compression deformation, load deformation recovery, tire running test, Coating fastness, etc;
3. Inspection frequency:
a. Physical appearance: full inspection;
b. Items of hardness, weight, size: Sampling inspection every half hour during production and according to the AQL value in the packaging process;
c. Items of Resilience, compression deformation, load deformation recovery, and tire running test: 2~4 samples are taken every week for testing. 
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