Dongying ZhizaoMade-in-Dongying directory

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Oilfield equipment manufacturers in Dongying

高端石油装备（石油钻采装备）

Dongying’s petroleum / oilfield equipment manufacturers — flagship cluster under Dongying Zhizao. Browse mapped archive profiles by value-chain category. Labels are public source records—not live verification or plant audits. Verified suppliers today: 0.

Listed · 475 mapped profiles

Petroleum value chain (8 L1)

Oilfield tech services are merged into this cluster. Keeps /en/petroleum/. Site search →

Primary = firms with this L1 as primary_category (sum of the eight cards = 467). Mapped profiles = 475 archive rows in this cluster. These are different metrics; Primary does not have to equal mapped.

Drilling & Well Engineering

Primary class 214 →

Production & Stimulation

Primary class 192 →

Surface & Processing Equipment

Primary class 13 →

Wellhead & Well Control

Primary class 17 →

Offshore Equipment

Primary class 1 →

Electrical, Automation & Instrumentation

Primary class 4 →

OCTG & Materials

Primary class 24 →

Oilfield Services

Primary class 2 →

Subtitle: Dongying Zhizao · Petroleum Equipment

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