Research record
Dongying Tianrui Petroleum Technology Co., Ltd
More recent sourcesManufacturing or processing claimsFactory audit not completed
Product & service leads
钻具螺纹连接
Products reflect the linked public sources. Manufacturing claims, exhibition entries and project leads are not factory audits or current certifications.
Address or location evidence
注册地址：东营市东营区淮河路92号（ofmp.com）
Locations are source-based address leads, not confirmed manufacturing sites.
Source basis
Research date · 2026-11-03
- Public source 1 ↗www.ofmp.com