1.certificated under ISO9001&TS16949 Quality system 2.High quality raw material 3.affordable Watsun is a leading ... .Our filters are mainly used for trucks (VOLVO, SCANIA, IVECO, RENUALT, MARCES, ect.) and engineering machinery( Caterpillar, HITACHI, KOMATSU, HINO, MITSUBISHI, ETC ... raw materialb) Low resistancec) Long service lifetimed) Durable and reliable hydraulic oil filter element for machine