Shijiazhuang Samuel Auto Parts Co., Ltd. is a professional manufacturer of auto parts. In the years of production and operation, it has formed a production and processing line with superb technology, advanced production equipment, first-class testing methods and strict quality management. ISO9001 2000 international quality system certification, the quality reaches the technical standards of internal combustion engine crankshaft JB / T6727-1999, JB / T51049-1999.