陜西延長石油集團橫山魏墻煤業有限公司位于陜西省橫山縣城西北5公里的魏墻工業園，公司于2010年1月注冊成立，注冊資本10億元，其中陜西延長石油礦業有限責任公司出資51%，陜西省橫山進出口集團有限公司出資49%。
公司主導產業項目為位于橫山縣魏墻工業園的魏墻煤礦，是經國家發改委立項，作為陜西延長石油集團有限責任公司靖邊綜合產業園區一期啟動項目的配套煤礦。該礦煤層埋藏深度淺，煤層平均厚度達3.38米，井田面積達92.618平方公里，地質儲量43388萬噸，設計年生產能力800萬噸，年產值達50億元以上，年上交稅金12億元以上，服務年限為36年，公司現有員工1000余人。
公司充分運用現代企業運營機制和西部大開發的政策優勢，依托陜西延長石油集團的產業優勢，同時兼顧經濟效益與生態保護，使企業在健康、有序的環境下運行。
Shaanxi Yanchang Petroleum Group Hengshan Weiqiang Coal Industry Co., Ltd. is located in the Weiqiang Industrial Park, which is 5 kilometers northwest of Hengshan County, Shaanxi Province. The company was registered and established in January 2010 with a registered capital of 1 billion yuan. Among it, Shaanxi Yanchang Petroleum Mining Co., Ltd. contributes 51%, and Shaanxi Hengshan Import and Export Group Co., Ltd. contributes 49%.
The company's leading industrial project is the Weiqiang Coal Mine located in the Weiqiang Industrial Park, Hengshan County. It is a supporting coal mine for the first-phase launch project of the Jingbian Integrated Industrial Park of Shaanxi Yanchang Petroleum Group Co., Ltd., which was initiated by the National Development and Reform Commission. The coal seam has a shallow burial depth, with an average thickness of 3.38 meters. The mine field covers an area of 92.618 square kilometers, with geological reserves of 433.88 million tons. It is designed to have an annual production capacity of 8 million tons, an annual output value of over 5 billion yuan, and annual tax payments of over 1.2 billion yuan. The service life is 36 years, and the company currently has more than 1,000 employees.
The company fully utilizes the operating mechanisms of modern enterprises and the policy advantages of the western development strategy, relying on the industrial advantages of Shaanxi Yanchang Petroleum Group, while balancing economic benefits and ecological protection, ensuring that the enterprise operates in a healthy and orderly environment.
