... test on strengthen 4. Engine Bench test on parts involved with engine5. Running Test (100 thousand kilo meter)6. Internal ... new parts, such as engine bracket, generator bracketSteam cylinder coveroil pan uppershift instrument guidance axis, etc. These parts are used for ... China.ChangChun,and mainly supplied valve bushing, bracket oil-filter assembly for vehicle-types of Golf, Jetta, and Bora. The ...