Core Viewpoint - The stock of Gansu Blueco High-tech Equipment Co., Ltd. experienced a significant increase, reaching a limit up of 9.96% on August 18, with a trading price of 10.71 yuan per share and a total market capitalization of 3.797 billion yuan [1] Company Overview - Gansu Blueco High-tech Equipment Co., Ltd. is located in Lanzhou, Gansu Province, and primarily engages in the research, development, design, manufacturing, and related services of petroleum drilling machinery, refining and chemical equipment, marine and desert oil equipment, and gas processing [1] - The company is a first-tier network supplier for major Chinese oil companies, including China National Petroleum Corporation, China Petroleum & Chemical Corporation, and China National Offshore Oil Corporation [1] - As of March 31, 2016, the company's products and equipment were distributed across all 31 provinces, municipalities, and autonomous regions in China, as well as in over 10 countries and regions in Asia, Europe, Africa, and America [1] Financial Performance - For the period from January to March 2025, the company reported an operating income of 129 million yuan, representing a year-on-year growth of 35.83% [1] - The net profit attributable to shareholders for the same period was 6.4843 million yuan, showing a substantial year-on-year increase of 194.53% [1] - As of March 31, the number of shareholders was approximately 30,200, with an average of 11,800 circulating shares per shareholder [1]