国金证券给予三一重工买入评级：经营杠杆释放，看好公司利润持续增长

Core Viewpoint - Guojin Securities has issued a buy rating for Sany Heavy Industry (600031.SH) based on strong revenue growth, operational leverage, and positive profit performance [2] Group 1: Financial Performance - Revenue expansion and operational leverage have led to impressive profit performance [2] - Positive cash flow with accelerated turnover of inventory and accounts receivable [2] Group 2: Market Outlook - Strong performance in Asia-Pacific and Africa, with expectations for accelerated revenue growth in Europe and the U.S. in the second half of the year [2] - As a leading excavator manufacturer, Sany Heavy Industry is expected to benefit from the long-term upward trend in domestic sales [2]