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- Yantai Jereh Oilfield Services Group Co.,Ltd.
- Jereh Petroleum Equipment & Technologies Company
- Jereh Energy Services Corporation
- Jereh Oil & Gas Engineering Corporation
- American Jereh International Corporation
- Jereh (Tianjin) Petroleum Engineering & Technologies Co.,Ltd.
- Jereh Tractor Parts Corporation
- Dezhou United Petroleum Machinery Company
- Jereh Electric Power Company