宝鼎科技：目前有一个河西金矿，年产矿石量30万吨

Group 1 - The core point of the article is that Baoding Technology (002552) has a mining project, specifically the Hexi Gold Mine, which has an annual ore production capacity of 300,000 tons and an average grade of 2.84 grams per ton [1] Group 2 - The company is currently engaged in the mining sector, focusing on gold extraction [1] - The average grade of the ore indicates the quality of the gold, which is a critical factor for assessing the mine's economic viability [1] - The annual production capacity of 300,000 tons suggests a significant operational scale for the company in the mining industry [1]