Dezheng Group founded in Oct.,1997 and the companies specialize in R & D , production and sales of 12” – 26 ” aluminum alloy wheels, steel wheels, chrome wheels and forged wheels . The companies introduced in and imported from Korea , Germany and Japan the advanced equipments in the aluminum alloy wheel industry, including low pressure casting machines, heat-treatment ovens, CNC machining production lines , painting production lines , the world-advanced X-ray machines , balance measuring machines , CMM , spectrometers , rotatory or bending testing machines, fatigue testing machines and impact testing machines . The companies have 1.8 million pieces alloy wheels of production capacities now and established the R & D teams of high efficiency and quality , with the independent design and development capacities to realize the synchronous design and development with complete vehicle makers . The companies have passed the quality system certifications such as ISO 9000 , ISO 9001 , VDA 6.14 , ISO/TS 16949 2002 and obtained the Supplier qualifications ( OEM ) from GM in USA , Hyundai in Beijing , Brilliance-Jinbei and FAW-VW .