退休前,张成哲是沈阳铸造厂副总机械师。自上世纪50年代起,他在企业坚持技术革新39年,实现各种革新项目785项,其中重大项目60个,填补国内空白18个。从上世纪六十年代起,他又坚持技术协作31年,先后为80多个企事业单位攻关解难255项,为国家、为企业创造了巨大的经济效益。 Before his retirement, Zhang Chengzhe was the deputy chief mechanic of Shenyang Foundry. Since the 1950s, he has adhered to technological innovation for 39 years in enterprises and has implemented 785 innovation projects, of which 60 are major projects, filling 18 gaps in the country. Since the 1960s, he has insisted on technical cooperation for 31 years. He has solved 255 problems for more than 80 enterprises and institutions and created huge economic benefits for the country and for the enterprises.