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Hebei Haihao Group — Detailed Company Profile
Company snapshot
Hebei Haihao Group — Detailed Company Profile describes Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd. as a pressure piping component manufacturer in Mengcun County, Cangzhou City, Hebei Province.; Founded in 1982; the facility area is 580,000 m²; annual capacity is 100,000 tons / year; workforce is 660; The company manufactures pipe fittings, flanges, pipe bends, reducers, forged fittings and related pressure piping components..
- Founded
- 1982
- Annual capacity
- 100,000 tons / year
- Workforce
- 660
- Standards covered
- ASTM, ASME, MSS, EN, JIS, GB and GOST

Real factory photo: production hall, overhead crane and flange processing area.
Factory and manufacturing facts
Facts below are extracted from the existing company profile body for buyer and engineering review.
Company history fact
Plant scale fact
Plant scale fact
Manufacturing capability fact
Manufacturing capability fact
Team scale fact
Product standard fact
Location fact
Real factory photos
Real factory photos



Full company profile
Location and History
Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd. is located in Donglin Industrial Zone, Mengcun County, Cangzhou City, Hebei Province — known as "China's Capital of Pipe Elbows and Fittings". Bordering Bohai Bay and Huanghua Port to the east and Beijing-Tianjin to the north, the facility benefits from a strategic logistics position with both road and seaport access to global destinations.
Founded in 1982, the company has grown over four decades from a single workshop into an integrated manufacturer combining design, development, production and inspection in one facility.
Plant Scale
- Total facility area: 580,000 m²
- Building area: 180,000 m²
- Production lines: 20
- Annual capacity: 100,000 tons / year
- Workforce: 660 (incl. 26 engineers, 48 assistant engineers, 68 technicians)
- Total assets: RMB 250 million
Product Range
Produced to ASTM, ASME, MSS, EN, JIS, GB and GOST standards across high, medium and low pressure classes:
Fittings
- Buttweld elbows (90° / 45°, LR / SR)
- Tees, crosses (equal and reducing)
- Reducers (concentric and eccentric)
- Caps and heads
- Stub ends, lap-joint rings
- Forged socket-weld and threaded fittings
- Induction bends (up to Φ2200 mm)
- Spectacle blinds, orifice plates, strainers, expansion joints
Flanges
- Welding-neck (WN), slip-on (SO), socket-weld (SW)
- Threaded, lap-joint, blind
- Standards: ASME B16.5 / B16.47, EN 1092-1, JIS B2220
- Pressure classes: 150 / 300 / 600 / 900 / 1500 / 2500
- Sizes: NPS ½ to NPS 60+
Material Coverage
- Carbon steel: A234 WPB / WPC, A105
- Low-temperature carbon steel: A420 WPL6 / WPL3 / WPL9, A350 LF2-3
- Alloy steel: A234 WP11 / WP12 / WP22 / WP91, A182 F11-F91
- Stainless steel: A403 WP304L / 316L / 321 / 347
- Duplex / super duplex: A815 S31803 (2205), S32750 (2507)
- Nickel alloys: Inconel 625 / 825, Hastelloy C-276 / C-22, Monel 400
- 9% Nickel steel: A553 / A333 Gr.8 (cryogenic LNG service)
Manufacturing Processes
Forging, pressing, mid-frequency pushing, machining, cold-forming, hot-extrusion, heat treatment and submerged-arc welding all in-house. Maximum forging capacity 50 tons, maximum flange diameter 5 meters.
Reference Customers
Supplying procurement chains serving global EPC contractors and end owners:
- China Blue Chemical, Sinopec, Beijing Gas Group
- West Pacific Petrochemical (Dalian)
- Engro Chemical Pakistan
- Royal Dutch Shell
- Beijing Electric Power Construction, Hebei Electric Power Construction
Applications: oil & gas refining and petrochemicals, LNG import / export terminals, thermal and nuclear power, chemical processing, water treatment and municipal pipelines.
Qualifications and Certifications
- ISO 9001:2000 quality management system (since 2002; predecessor ISO 9002 since 1999)
- ABS Type Approval for flanges and pipe fittings (since 2008)
- Safety Registration Enterprise for pressure pipe fittings manufacturing
- Self-managed export and import qualifications
- Material traceability: EN 10204 3.1 (heat-specific) / 3.2 (third-party witnessed)
Contact
Address: Donglin Industrial Zone, Mengcun County, Cangzhou City, Hebei Province, China
Tel: +86 132 9342 5333
Email: haihaojituan@163.com
Website: www.chinahaihao.com
For project RFQs, submit specs via the inquiry form — typical reply within 4 business hours.
Common buyer questions
Common buyer questions
When was Hebei Haihao Group founded?
The company profile states that Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd. was founded in 1982 and developed into an integrated pressure piping component manufacturer.
How large is the Hebei Haihao Group facility?
The company profile lists a total facility area of 580,000 m² for manufacturing pipe fittings, flanges, bends, reducers, forged fittings and related pressure piping components.
What is Hebei Haihao Group's annual capacity?
The company profile lists an annual capacity of 100,000 tons / year across high, medium and low pressure piping component production.
Which standards does Hebei Haihao Group manufacture to?
The product range section states that the company manufactures to ASTM, ASME, MSS, EN, JIS, GB and GOST and related international or domestic standards.
How many employees does Hebei Haihao Group have?
The plant scale section lists a workforce of 660, including engineers, assistant engineers and technical staff.