高争民爆：2021年净利同比预增27.67%-76.56%

格隆汇1月14日丨高争民爆发布业绩预告，预计2021年归母净利4700万元-6500万元，同比增长27.67%-76.56%。报告期内，火工品销量较上年同期增加，且2021年度公司通过“以产定销”的经营模式，使得生产线的产能释放，降低了生产成本；爆破服务较上年同期大幅增加，净利润与2020年度同期相比增加。

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