Hebei Haihao Group — Detailed 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.haihaohuadian.com
For project RFQs, submit specs via the inquiry form — typical reply within 4 business hours.