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News

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

2024.07.12More

【Hilong Marine Engineering(Hong Kong)Co.,Ltd.】<br/>Hilong Wins First Offshore Engineering Contract<br/>Successfully Marching into Offshore Engineering Field Fully Prepared For New Opportunities

2014.11.18 More
Hilong Wins First Offshore Engineering Contract<br/>Successfully Marching into Offshore Engineering Field Fully Prepared For New Opportunities

2014.11.18 More
【Texas Internal Pipe Coating LLC】<br/>Hilong Achieves Major Breakthrough in Large-Diameter Line Pipe Internal Coatings

2014.11.17 More
Hilong Achieves Major Breakthrough in Large-Diameter Line Pipe Internal Coatings

2014.11.17 More
【Shenglong Oil and Gas Pipeline Inspection Technology Co.,Ltd.】<br/>Hilong Successfully Completes Shanghai CNOOC’s First Offshore Pipeline Ultrasonic Internal Inspection

2014.11.15 More

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