热处理厂有限公司前身是上海机械厂，由立铁工厂和大铁工厂于1956年8月合并而成。从1959年起，公司专营热处理对外加工协作服务。1966年，公司正式改名为热处理厂，为原机械工业部重点企业、中国热处理工艺样板企业，是中国目前成立最早、规模最大的商业热处理公司。1989年公司荣获国家二级企业称号...
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