Since November 2010, Dong Feng Forging Co., Ltd. has had 7 crankshaft production lines.  The company has produced 1.25 million crankshafts till November 2010, and Shiyan city, Dong Feng is located in, has been the largest crankshaft production area in China.  In the past 5 years, vehicle crankshafts made by Dong Feng has been increased from 43 species to 70 species as well as the max. unit weight of from 125 kg to 175 kg.