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中石油领导及专家一行莅临我司参观考察

[2010/9/13] Hits：1683

9月12日，中石油领导及专家莅临我司参观。

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Prodcuts: Liner hanger series; Two-stage cementing collar series; Cement head series; Float collar and shoe series; Cementing plug series; Casing packer series; Casing Heating Power Compensator; Casing centralizer series; Stop collar; Mill shoe

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