Dongying ZhizaoMade-in-Dongying directory

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Research record

Shengli Oil Field Haisheng Industrial CO.,LTD

Historical sourcesManufacturing or processing claimsFactory audit not completed

Product & service leads

Exhibit Profile: PDC bit and steel body; Scope: 4-1/2 inch to17-1/2 inch , a total of 52 varieties.

Products reflect the linked public sources. Manufacturing claims, exhibition entries and project leads are not factory audits or current certifications.

Address or location evidence

东营关联,具体工厂地址待核

Locations are source-based address leads, not confirmed manufacturing sites.

Source basis

Research date · 2026-11-02

Latest observed exhibition edition · 2014

Existing site profile →