中曼石油股东质押占比14.02%，质押市值约13.18亿元

Group 1 - The core viewpoint of the article highlights that Zhongman Petroleum's shareholders have a pledge ratio of 14.02% of the total share capital, ranking 639th in the market [1] - As of the last trading day on August 22, shareholders have pledged a total of 64.8286 million shares, with a total market value of 1.318 billion yuan [1] - Zhongman Petroleum's main business includes exploration and development, oil service engineering, and petroleum equipment manufacturing, with key products being equipment manufacturing, leasing, drilling engineering services, and sales of oil and its derivatives [1] Group 2 - The company has experienced a stock price increase of 5.38% over the past year [1] - The chairman and acting general manager of Zhongman Petroleum is Li Chundi [1]