Dongchang Sun

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.

Shengli Petroleum Administrative Bureau provides offshore drilling services. The firm is engaged in drilling wells for oil field operations. It applies horizontal drilling technology with the horizontal displacement as long as offshore proved oil-bearing area without construction of platforms. The company is headquartered in Dongying, China.