GB9743-2015-Passenger Car Tyre and GB9744-2015-Heavy Truck Tyre Taking Differnce Test when Standard Changing
Because China standard changing added low pressure performance requirement to CCC certificated passenger car tyre product,it needs to choose ome specification from every China CCC certificate to take endurance performance and low pressure performance supplement difference tests according to new edition national standard.If CCC Certificate includes new added specification,it only needs to choose ome sample from new added specification to test according to new edition standard.Difference test is not need.
Heavy truck tyre does not need difference test when applied standard edition revise.Heavy truck tyre manufacturing enterprises could apply China compulsory certification standard edition revise directly from http://china-ccc-certification.com/226.html
CCC Apply Guideline:http://china-ccc-certification.com/501.html