准油股份10.05%涨停，总市值21.23亿元

Core Viewpoint - The stock of Junyou Co., Ltd. experienced a significant increase, reaching a limit up of 10.05% on August 21, with a trading price of 8.1 yuan per share and a total market capitalization of 2.123 billion yuan [1]. Company Overview - Junyou Co., Ltd. is located in Karamay City, Xinjiang, and specializes in providing oil technology services for oil and gas extraction companies. The company engages in comprehensive research on oil and gas reservoirs, well testing, and various downhole operations such as profiling, water blocking, and acidizing [1]. - The company also undertakes electrical installation projects for oil fields, maintenance of production facilities, and surface construction projects, while providing production command vehicles and transportation services to oil field clients. It has developed integrated oil field development management capabilities and maintains stable market relationships with major clients [1]. Financial Performance - As of June 10, the number of shareholders for Junyou Co., Ltd. was 22,700, with an average of 11,500 circulating shares per shareholder [2]. - For the first quarter of 2025, the company reported an operating income of 30.1785 million yuan, a year-on-year decrease of 27.51%. The net profit attributable to shareholders was -15.551 million yuan, reflecting a year-on-year decline of 43.26% [2].