... 1. Dimension Inspection2. Material Inspection3. Bench test on strengthen 4. Engine Bench test on parts involved with engine5. Running Test (100 ... , Passat, Polo, Gol, Touran and so on In 1999, sequentially as a supplier of SGM, DPCA(Wuhan), JAC and Kaima ... (Wuxi), our company started supplying valve bushing, bracket-crankshaft sensor, sealing plate ...