TUV German Technical Inspection Association
TUV StVZO：25Nov.1998 Guidelines for the testing and inspection of custom wheels for motor vehicles and their trailers.
Inspector：CAAM wheel inspection center Co.,Ltd.
SAE：Society of Automotive Engineers. Authentic standards made by SAE is extensively applied in automobile and other industries.
SAE J2530-2004：Aftermarket Wheels-Passenger Cars and Light Truck - Performance Requirements and Test Procedures
Inspector：Smithers Rapra（Suzhou）Testing Company,Ltd.
Test duration: 4 months mileage：10000 km
Record static stiffness, brittleness, dynamic deformation of the rims before and after the test. The result conforms to the standard.
Prepared for 16 months with 15 days 180 hours duration, the test was carried out by a team of 8 professionals
Highest altitude reaches 5100 elevation above the sea level, mainly on bumpy, muddy, shoal curbstone, steppe or gravel roads
Consistent live road test along 8,000 km
TUV German Technical Inspection Association
TUV StVZO：25Nov.1998 Guidelines for the testing and inspection of custom wheels for motor vehicles and their trailers.
Inspector：CAAM wheel inspection center Co.,Ltd.
SAE：Society of Automotive Engineers. Authentic standards made by SAE is extensively applied in automobile and other industries.
SAE J2530-2004：Aftermarket Wheels-Passenger Cars and Light Truck - Performance Requirements and Test Procedures
Inspector：Smithers Rapra（Suzhou）Testing Company,Ltd.
Test duration: 4 months mileage：10000Km
Record static stiffness, brittleness, dynamic deformation of the rims before and after the test. The result conforms to the standard.
Prepared for 16 months with 15 days 180 hours duration, the test was carried out by a team of 8 professionals
Highest altitude reaches 5,100 elevation above the sea level, mainly on bumpy, muddy, shoal curbstone, steppe or gravel roads
Consistent live road test along 8,000 km
