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洛阳市大华机器厂提供新型破碎机及其它矿山设备ＰＬ型立式冲击破碎机是机械部洛阳矿山机械研究所和洛阳市大华机器厂共同研制的物料／物料自冲击新型破碎机，经首钢工业性试验，１９９１年在北京通过新产品鉴定，填补了国内破碎机一项空白，获国家专利（专利号９０２１８...
Luoyang City Dahua Machinery Factory to provide new crusher and other mining equipment PL vertical impact crusher is the Ministry of Machinery Luoyang Mining Machinery Research Institute and Luoyang Dahua Machinery Factory jointly developed materials / materials from the impact of the new crusher, the Shougang Industrial tests, in 1991 in Beijing through the identification of new products, to fill a gap in the domestic crusher, won the national patent (patent No. 90218 ...