求翻译：主营业务相似：西宁特钢所属行业也为特钢行业，主营业务范围为特殊钢冶炼及压延加工、棒材及钢筋生产、机械设备制造是什么意思？

Main business: Xining Special Steel Industry for the steel industry, the main business areas of special steel smelting and rolling processing, bar and steel production, machinery and equipment manufacturing

Primary business: the steel industry, but also for the steel industry, the main business scope for special steel smelleding and processing, extruded bars and steel production, machinery and equipment manufacturing

The main camp service is similar: Xining special steel respective profession also for special steel profession, main camp business scope for special steel smelting and rolling processing, good material and steel bar production, mechanical device manufacture

Similar to the main business: Xining special steel industry for special steel industry, main business ranges from special steel smelting and rolling processing, bars and steel production, machinery and equipment manufacturing

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