Our History
1982 — Founded
Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd. was founded in Donglin, Mengcun County, Cangzhou City, Hebei Province. Initial production: small-bore carbon-steel buttweld fittings to GB and DIN standards for the domestic Chinese market.
1990s — Capacity Expansion
Through the 1990s the production base grew from a single workshop to multiple production lines. Capability extended into hot extrusion, mid-frequency pushing, and submerged-arc welding.
1999 — First ISO Certificate
ISO 9002 quality management system certificate obtained — the foundation of the formal quality management system that continues today.
2002 — ISO 9001:2000
Upgraded to ISO 9001:2000 certification — recognized internationally and a prerequisite for export to most regulated markets.
2008 — ABS Type Approval
American Bureau of Shipping (ABS) Type Approval obtained for flanges and pipe fittings — opening the marine, offshore, and oil & gas international markets.
2010s — International Expansion
International sales scaled across:
- Middle East EPC contractors (Saudi Aramco, ADNOC, QatarEnergy supply chains)
- Southeast Asia LNG terminals (Indonesia, Malaysia, Vietnam)
- South Asia gas distribution (India, Pakistan)
- Africa oil & gas (Egypt, Algeria, Nigeria)
- Latin America petrochemical (Brazil, Mexico, Argentina)
2020 — Capacity Milestone
Production base reaches 580,000 m² total facility area with 180,000 m² building area, 20 production lines, and 100,000 tons / year nameplate capacity.
2024 — Workforce
Total workforce reaches 660 employees, including:
- 26 engineers
- 48 assistant engineers
- 68 technicians
- Production, QA, NDT, sales, and administration teams
2026 — Today
We continue to invest in:
- Materials: expanding alloy capability (Inconel / Hastelloy / Monel / titanium / 9% Ni cryogenic)
- Standards: maintaining ASME / ASTM / MSS / EN / JIS / NACE compliance current with each new edition
- Documentation: full digital traceability for every heat number across the production lifecycle
- Service: supporting buyers in 14 languages with 4-business-hour reply commitment
For the next decade, our focus is supporting the global energy transition — LNG infrastructure, hydrogen-ready piping, and carbon-capture projects — with high-grade, traceable, certified pipe fittings and flanges.
Get in Touch
Address: Donglin, Mengcun County, Cangzhou City, Hebei Province, China
Tel: +86 132 9342 5333
Email: haihaojituan@163.com