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Dongying Haisen Sealing Technology Co., Ltd.
东营海森密封技术有限责任公司
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Overview
This overview was AI-generated from public archive fields
The company provides fluid-sealing research, engineering design, production testing and remote diagnostics. Products include liquid-film seals, dry gas seals and mechanical seals for mixing equipment, serving applications in petrochemicals, refining, power, paper and metallurgy.
Product families
API certificate records
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Displayed names have not been verified with the issuer. Records apply only to the listed facility, not to a group, affiliates or every product. Q1/Q2 are management-system certificates; ISO is listed separately.
Source retrieved: 2026-10-22 · The source does not provide its latest synchronization time. Active is the source status. Expiry or extension dates do not establish renewal. Verify scope and current status with the issuer. API Composite List ↗