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> Offshore Engineering Services
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Oil Equipment
Petroleum Pipe Coating
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Shanghai Hilong Drill Pipe Co., Ltd. >
Shanxi Tangrong Hilong Drill Tools Co., Ltd. >
Shanghai Hilong Mine Drilling Tools Co., Ltd. >
Hilong Petroleum Company LLC (UAE) >
Drilling Tools Brochure.pdf >
上海钻具Certificate 5CT-0894.pdf >
上海钻具Certificate 5DP-0056.pdf >
上海钻具Certificate 7-1-0591qxnc.pdf >
0045 - 2017-314-Shanghai Hilong - Facility Level 5.pdf >
0134 - 2017-314-Shanghai Hilong - Facility Level 5.pdf >
0194 - 2017-314-ShanghaiHilong Process Level 3.pdf >
0197 - 2017-314-ShanghaiHilong Process Level 2.pdf >
