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1994 , Zhenyu was established. Lamination die and  stamping.
1997, start to focus on progressive lamination  die.
2000, cooperating  with Welling Motor and  Qing’an Motor.
2005, double and three rows progressive for air-condition motor.
2007, progressive for  DC motors for  air-conditioner.
2009,five rows progressive die for ignition cores in 0.3mm thick material.