顾地科技：2021年预亏3.59亿元-5.3亿元

格隆汇1月26日丨顾地科技公告，预计2021年度净亏损3.59亿元-5.3亿元，上年同期为盈利2.49亿元。报告期资产减值损失计提增加，以及因原材料价格大幅上涨，管道产品毛利率下降。

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