Guo An Zhang
Chairman at TONG PETROTECH CORP.
Network origin in Guo An Zhang first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Public Company | Oil & Gas Production | 22 | |
Tong Petrotech Inc
 Tong Petrotech Inc Contract DrillingIndustrial Services Tong Petrotech Inc provides oil services. The company was in 2012 and is headquartered in Houston, NY.
1
| Subsidiary | Contract Drilling | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Guo An Zhang via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
DDGY Oil Services Co. Ltd.
 DDGY Oil Services Co. Ltd. Oil & Gas ProductionEnergy Minerals 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. | Oil & Gas Production | Director/Board Member Director/Board Member | |
| SHENZHEN SILVER BASIS TECHNOLOGY CO., LTD. | Other Consumer Services | Director/Board Member Director/Board Member | |
| China Europe International Business School | College/University | Masters Business Admin Masters Business Admin | |
| BEIJING EMERGING EASTERN AVIATION EQUIPMENT CO., LTD. | Aerospace & Defense | Director/Board Member Director/Board Member | |
Longyuan Hengtong Petroleum Technology Co., Ltd.
 Longyuan Hengtong Petroleum Technology Co., Ltd. Oilfield Services/EquipmentIndustrial Services Longyuan Hengtong Petroleum Technology Co., Ltd. engages in the research and development, and manufacture of oil drilling equipment. Its products include drilling rigs, downhole tools, coil tubing technology, clean fracturing fluid system, friction-reduced water system, gravel packing sand control technology, hydraulic jetting staged fracturing technology, tubing conveyed perforation, high efficiency gathering transportation corrosion inhibitor, and measuring and testing equipment. The company was founded on March 24, 2014 and is headquartered in Beijing, China. | Oilfield Services/Equipment | Chairman Director/Board Member | |
| University of Aston | College/University | Masters Business Admin | |
| WUXI XUELANG ENVIRONMENTAL TECHNOLOGY CO., LTD. | Industrial Machinery | Director/Board Member | |
| Xiamen University | College/University | Doctorate Degree | |
| SHENZHEN RONGDA PHOTOSENSITIVE SCIENCE & TECHNOLOGY CO., LTD. | Chemicals: Specialty | Director/Board Member | |
| HUBEI W-OLF PHOTOELECTRIC TECHNOLOGY CO., LTD. | Semiconductors | Director/Board Member | |
| SHANDONG MOLONG PETROLEUM MACHINERY COMPANY LIMITED | Oilfield Services/Equipment | Director/Board Member | |
| HICONICS ECO-ENERGY TECHNOLOGY CO., LTD. | Electrical Products | Director/Board Member | |
| Northwest University (China) | College/University | Undergraduate Degree | |
| HEBEI JINNIU CHEMICAL INDUSTRY CO.,LTD | Chemicals: Specialty | Director/Board Member | |
| Nanjing Audit University | College/University | Undergraduate Degree | |
| Capital University of Economics & Business | College/University | Graduate Degree | |
| JOINTO ENERGY INVESTMENT CO., LTD. HEBEI | Electric Utilities | Director/Board Member | |
| Northeast Petroleum University | College/University | Undergraduate Degree | |
| SHANGHAI KELAI MECHATRONICS ENGINEERING CO.,LTD. | Auto Parts: OEM | Director/Board Member | |
| China University of Petroleum (East China) | College/University | Undergraduate Degree | |
| HEBEI JIANXIN CHEMICAL CO., LTD. | Chemicals: Specialty | Director/Board Member | |
| Xi'an University of Science & Technology | College/University | Undergraduate Degree | |
| Beijing Institute of Technology | College/University | Undergraduate Degree | |
Suzhou Lvkon Transmission S&T Co., Ltd.
 Suzhou Lvkon Transmission S&T Co., Ltd. Auto Parts: OEMProducer Manufacturing Suzhou Lvkon Transmission S&T Co., Ltd. principally engages in the research, development, production, and sale of automotive automated-manual-transmission gearboxes, new energy vehicle drive motors, as well as pure electric and hybrid vehicle powertrains. It also offered related services. The company was founded by Lei Li on December 29, 2011 and is headquartered in Suzhou, China. | Auto Parts: OEM | Director/Board Member | |
| LANGFANG DEVELOPMENT CO., LTD. | Industrial Machinery | Director/Board Member | |
| SUZHOU TFC OPTICAL COMMUNICATION CO., LTD. | Semiconductors | Director/Board Member | |
HXF Saw Co., Ltd.
 HXF Saw Co., Ltd. Forest ProductsNon-Energy Minerals HXF Saw Co., Ltd. manufactures saw related products. Its products include Multi Saw Blanks, Laser Welding saw Blank, Sandwich and low noise saw blank, Low noise saw blank, Series professional saw blanks and Porose saw blank. The company is headquartered in Yichang, China. | Forest Products | Director/Board Member | |
| SHAOYANG VICTOR HYDRAULICS CO.,LTD | Industrial Machinery | Director/Board Member | |
| BTG HOTELS (GROUP) CO., LTD. | Hotels/Resorts/Cruise lines | Director/Board Member | |
| CHANGZHENG ENGINEERING TECHNOLOGY CO.,LTD | Industrial Machinery | Director/Board Member | |
| Fudan University | College/University | Graduate Degree | |
| Xi'an Shiyou University | College/University | Undergraduate Degree | |
| China University of Political Science & Law | College/University | Doctorate Degree | |
| TATWAH SMARTECH CO.,LTD. | Telecommunications Equipment | Director/Board Member | |
| Henan University | College/University | Undergraduate Degree | |
| Nanjing University of Science & Technology | College/University | Undergraduate Degree | |
| Beijing University of Technology | College/University | Graduate Degree | |
Beijing Yilong Hengye Petroleum Engineering Tech Co., Ltd.
 Beijing Yilong Hengye Petroleum Engineering Tech Co., Ltd. Contract DrillingIndustrial Services 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. | Contract Drilling | Director/Board Member | |
| Zhongnan University of Economics & Law | College/University | Undergraduate Degree |
Statistics
International
| China | 39 |
| United Kingdom | 2 |
Sectoral
| Consumer Services | 20 |
| Producer Manufacturing | 8 |
| Electronic Technology | 5 |
| Industrial Services | 4 |
| Process Industries | 4 |
Operational
| Director/Board Member | 40 |
| Independent Dir/Board Member | 26 |
| Undergraduate Degree | 10 |
| Corporate Officer/Principal | 9 |
| Graduate Degree | 3 |
Most connected contacts
| Insiders | |
|---|---|
| Shen Shi Mei | 12 |
| Li Hong Zhao | 8 |
| Yan Zhong Ren | 7 |
| Yi Long Zeng | 7 |
| Jin Feng | 4 |
| Ya Dong Liu | 3 |
| Wan Fu Liu | 3 |
| Yi Tian | 3 |
| Zhi Jian Zhang | 3 |
| Jian Long Cheng | 2 |
| Bai Shuang Zhang | 2 |
| Chao Zhao | 2 |
| Shao Wei Li | 2 |
| Yin Zhong Liu | 1 |
| Bo Xu | 1 |
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