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Hilong's High-Grade Sulfur-Resistant Drill Pipe Project Selected for "Sci-Tech Innovation China" Leading Technology List

2024.07.12More

Hilong Successfully Completes Shanghai CNOOC’s First Offshore Pipeline Ultrasonic Internal Inspection

2014.11.15 More
Hilong Signs Strategic Cooperation Framework Agreement with China Petroleum Pipeline Bureau

2014.11.06 More
Hilong Signs Strategic Cooperation Framework Agreement with China Petroleum Pipeline Bureau

2014.11.06 More
Hilong Obtains New High-End Drilling Services Contract<br/>Competitiveness Further Recognized in Global Markets

2014.10.21 More
【Oil Service】Hilong Obtains New High-End Drilling Services Contract<br/>Competitiveness Further Recognized in Global Markets

2014.10.21 More

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