Research record
Dongying JinShan Petroleum Machinery Manufacturing Co., Ltd.
More recent sourcesManufacturing or processing claimsFactory audit not completed
Product & service leads
Downhole tools
Products reflect the linked public sources. Manufacturing claims, exhibition entries and project leads are not factory audits or current certifications.
Address or location evidence
东营市
Locations are source-based address leads, not confirmed manufacturing sites.
Source basis
Research date · 2026-11-02
- Public source 1 ↗www.jinshanshiyou.com
Items to confirm · Original source text
产品及企业介绍明确；工厂区县地址待补