主要从事石油钻井、固井、采油设备和打捞工具的生产和销售。
Our company has been engaged in producing and selling oil drilling, well cementation, oil extraction equipment and fishing tools.
主要从事石油钻井、固井、采油设备和打捞工具的生产和销售。
Our company has been engaged in producing and selling oil drilling, well cementation, oil extraction equipment and fishing tools.
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