1.Factory:We belong to Yanchang Petroleum Group in China, the 4th largest Petroleum Group in China, top 500 enterprise in the world.2.Technology:Bridgestone technology,5 steel cord, 4 plies for steel belt and 1 ply for carcass.Our chief engineer is the previous chief engineer of DOUBLE COIN,we also hired structure and prescription engineer from Aeolus Westlake etc.3.Material:STR#20 from Thailand and SMR#20 from Malaysia.Steel cord is from BEKAERT,the best cord supplier in the world.4.Equipment:All the key importment equipment are imported from abroad. Mixer BB430(Japan), Calender(Italy), Extruder(Germany), VMI(Holland) etc.5.Certificate:The product has got the DOT ECE GCC CCC ISO9001 etc.