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special equipment for oilfield drilling and production
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11-16
2021
2019.3 Chongqing Jiangbei Inte
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11-16
2021
2019.10 Sichuan Honghua Columb
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11-16
2021
2019.6 On-site commissioning a
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11-16
2021
CNOOC Project
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11-16
2021
Anton Drilling Company Sichuan
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11-16
2021
Petroleum Project of the Fourt
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11-16
2021
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