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[two invention patents obtained by Dazhong Mining and its subsidiaries] Dazhong Mining announced that the company and its wholly-owned subsidiary Anhui Jinrisheng Mining Co., Ltd. recently obtained two invention patents issued by the State intellectual property Office. The patentee named "a method of comprehensive utilization of steel slag" is Inner Mongolia Dazhong Mining Co., Ltd., and the patentee named "a kind of narrow orebody high-stage sublevel caving and subsequent filling mining law" is Anhui Jinrisheng Mining Co., Ltd. The company said that the acquisition of invention patents will not have a significant impact on the company's production and operation, but will help to reduce production costs and enhance the competitiveness of products in the market.

Anhui jinrisheng mining co ltdMongolia dazhong mining co ltdDazhong miningLarge and medium sized miningTechnological innovation