Dingzhen-Secretary extinguis-from zhenggang Dingzhen-Secretary extinguis-from zhenggang Dingzhen-Secretary extinguis-from zhenggang 　The Steel Hardware Plastic Molding forms limited company had been established Until now already some 20 remaining years of life specialized production mold spare parts rich experience.In Yu Dennen Chairman and under all staff's joint effort,In Taiwan already was one of in all mold spare parts production main big plants.