Hu Meng

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.

DDGY Oil Services Co. Ltd. engages in the provision of oil exploration services. Its business scope includes technology promotion services; mineral resources exploration; oil logging technology services; sales of machinery and equipment, and chemical products; warehousing services; freight forwarding; and import and export of goods. The company was founded on January 12, 2006 and is headquartered in Beijing, China.

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.

Beijing Yilong Hengye Petroleum Engineering Technology Co., Ltd. engages in the provision of oil drilling services. Its business activities include pumpdown perforating, snubbing, coiled tubing, oil extraction, drilling engineering, workover treatment, measuring and testing, and oilfield chemical services. The company was founded on August 8, 2005 and is headquartered in Beijing, China.