Research record
Shandong Mingzhu Drilling Tools Co., Ltd
More recent sourcesManufacturing or processing claimsFactory audit not completed
Product & service leads
Exhibit Profile： Drill Pipe、Welded Heavy Drill Pipe、Drill Collar Exhibits show：
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 · 2026
- Public source 1 ↗e.cippe.com.cn
Items to confirm · Original source text
与山东明珠石油装备制造分别保留，不能凭明珠品牌合并。