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Completion of the World-Record Sub-Sea HDD Project - Twin 5.2 km HDD Crossing for the Aviation Fuel Pipeline at the Hong Kong International Airport

Date/Time：2018.3.9
Location：Hong Kong
Parameter：Φ508×5.2 km×2

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Congratulations! Huayuan Group Has Achieved Another Breakthrough in the Horizontal Directional Drilling of China's Natural Gas Marine Pipelines.

Date：March 2022
Location：Macao SAR
Parameter：Φ323.9×12 1950m long

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Successful pull-back of the 2500-meter Aviation Kerosene Pipeline the Yellow River HDD crossing work for the Ningxia Petrochemical-Yinchuan Hedong Airport Project!

Date：2022.5.26
Location：Yinchuan
Parameter：φ219mm, 2500m long

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Successful Pull back of a Natural Gas Pipeline for Phase I of the Mengxi Pipeline Project, with a pipe diameter of 1016mm and a length of 1927.1m!

Date：2022.5.22
Location：Hebei Baoding
Parameter：φ1016mm ，1927.1m long

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Xiushan East Submarine Pipeline Landfall HDD Works For Zhejiang Zhoushan LNG Receiving & Filling Station Project

Date：2020.4.26
Location：Zhejiang Zhoushan
Parameter：Φ1016×25.4mm 1542.1m long

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HDD Ashore Crossing for CNOOC Yacheng13-1 Submarine Pipeline Gaolan Branch

Date/Time：2018.6.14
Location：Zhuhai
Parameter：Φ610×860m

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PG电子·(中国)官方网站:Yangtze River HDD Crossing. Jingzhou-Shishou.

Date/Time：2014.2.21
Location：Jinzhou. Hubei
Parameter：Φ406×1838.29m

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PG电子·(中国)官方网站:Huanggang-Daye Yangtze River HDD Crossing

Date/Time：2012.4.6
Location：Ezhou
Parameter：Φ610×2686m

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Yellow River HDD Crossing. Boai-Zhengzhou-Xuedian. Natural Gas Pipeline Project

Date/Time：2014.6.10
Location：Henan
Parameter：Φ610×2620m

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PG电子·(中国)官方网站:Shenyang-Fushun Gongjiagou HDD Crossing May. 2013

Date/Time：2013.5.15
Location：Fushun. Liaoning
Parameter：Φ219×1240m

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Chongqing-Qijiang HDD Mountain Crossing in Songkan Town

Date/Time：2012.11.15
Location：Chongqing-Qijiang
Parameter：Φ406.4×829m

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Chongqing-Qijiang Yangtze River HDD Crossing.

Date/Time：2011.7.6
Location：Tangjiatuo
Parameter：Φ323.9×1023m

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