Core Viewpoint - The company Jin Cheng Xin (603979) has shown significant growth in its financial performance, with a strong increase in revenue and net profit, driven by its resource sector and mining service business potential, leading to a "buy" rating from analysts [1][2]. Financial Performance - In the first half of 2025, the company achieved a revenue of 6.316 billion yuan, a year-on-year increase of 47.82%, and a net profit attributable to shareholders of approximately 1.111 billion yuan, up 81.29% year-on-year [2]. - The second quarter of 2025 saw a revenue of 3.505 billion yuan, representing a 52.39% increase year-on-year, and a net profit of 689 million yuan, which is a 103.25% increase year-on-year and a 63.30% increase quarter-on-quarter [2]. Resource Sector Growth - The company's resource projects, excluding Lubambe Copper Mine, met production targets, achieving a copper metal output of 39,400 tons, a year-on-year increase of 198.52%, and a phosphate rock output of 174,300 tons, up 6.48% [3]. - The resource sector generated a sales revenue of 2.912 billion yuan in the first half of 2025, a year-on-year increase of 238.03%, with a gross profit of 1.388 billion yuan, up 276.83%, and a gross margin of 47.68%, an increase of 4.91 percentage points year-on-year [3]. Mining Service Business - The mining service business generated a revenue of 3.322 billion yuan in the first half of 2025, with a gross profit of 767 million yuan, a decline of 17.26% year-on-year due to internalization of service revenue from Lubambe Copper Mine and the integration of Terra Mining [4]. - The company signed new and renewed mining service contracts worth approximately 7.1 billion yuan in the first half of 2025, expanding its operations in Africa [4]. - The Kamoa Copper Mine has gradually resumed operations, with mining volumes recovering to about 70% of pre-suspension levels [4].