Production
Production Equipment
Production processes listed in the company profile include forging, forging & pressing, mid-frequency pushing, machining, cold forming, heat protruding, hot extrusion and heat treatment.
Haihao Group · Pressure Piping Components · Cangzhou, Hebei, China
Pipe Fittings, Flanges and Piping Packages for Overseas Projects
Hebei Haihao Group Huadian manufactures pressure pipe fittings, forged flanges, nonstandard forgings and seamless steel pipes for industrial piping projects.
Φ2200
Bend capability (mm)
DN1500
Formed fitting
100
Wall thickness (mm)
1982
Since 1982 · 40+ yrs export
Manufacturing capability
20
Production lines
100k t
Annual capacity
660
Workers and staff
1982
Established
ABOUT HAIHAO
From China's Pipe Fitting Base to Overseas Procurement
Located in Donglin, Mengcun, Hebei, Haihao manufactures pressure piping components including elbows, bends, tees, reducers, caps, flanges and pipe accessories.
- Factory Area
- 580,000 m²
- Annual capacity
- 100k tons
- Production lines
- 20
- Workers and staff
- 660
Manufacturing and Inspection
Integrated Manufacturing Support From Forming to Inspection
Annual capacity 100,000 tons; max bend Φ2200 mm, formed fitting DN1500, single forging up to 50 t
Inspection
Inspection Capability
Inspection capabilities listed in the company profile include chemical analysis, metallographic test, physical inspection and nondestructive detection.
Processes
01Forging
02Mid-frequency pushing
03Machining
04Cold forming
05Hot extrusion
06Heat treatment
07Chemical analysis
08NDT
Product Portfolio
Pressure Piping Components and Project Supply
Elbows, tees, reducers, caps, bends, flanges and pipe accessories — review supply capability by category, standard and project requirement.
ElbowASTM A234Seamless Butt Welding Pipe Fittings
Seamless butt-welding fittings overview: elbows, tees, reducers and caps to ASME B16.9 / B16.28 / MSS SP-75 / GB/T 12459, for low- to high-pressure piping (including ASME B31.3 Chapter IX).
- Material / Standard
- ASTM A234 WPB/WPC/WP11/WP22/WP91, ASTM A420 WPL6/WPL3, ASTM A403 WP304/WP316L, MSS SP-75 / ASTM A860 WPHY-52/60/65/70
- Size range
- 1/2" - 48" (21mm - 1219mm)
FlangeForged Flanges and Nonstandard Forgings
Forged flanges and nonstandard forgings for industrial piping packages.
- Material / Standard
- Carbon Steel, Stainless Steel, Alloy Steel
- Size range
- ASME/ANSI B16.5 / B16.47 ranges shown in company profile
TeeASME B16.9Straight Tees and Crosses
Butt welding straight tees and crosses for carbon and ferritic alloy steel piping.
- Material / Standard
- ASTM A-234, ASME/ANSI B16.9
- Size range
- 1/2" - 42" listed in dimensional tables
ReducerASME B16.9Reducing Tees and Reducers
Concentric and eccentric reducers plus reducing tees for butt welding piping.
- Material / Standard
- ASTM A-234, ASME/ANSI B16.9
- Size range
- Reducers and reducing tees listed up to 48 inch combinations
Industries
Serving Energy, Chemical, Power and Industrial Piping
Products are used across chemical, gas, power, oil, shipbuilding and pressure vessel fields for energy and industrial projects.
Quality Assurance
Certifications, Inspection and Factory Capability — One Trust Chain
Certifications, inspection capability and product galleries support project evaluation. Product pages include galleries, standards and RFQ forms.
- ISO9002 Quality System Certificate obtained in 1999
- ISO9001:2000 certificate obtained in 2002
- ABS Type Approval for flanges and pipe fittings received in 2008
- Safety registration enterprise manufacturing pressure pipe fittings
Choose Haihao
Equipment, Craft and Inspection for Overseas Project Delivery
01
Production Lines and Equipment
20 production lines for fittings, flanges and forgings with 100,000 tons annual capacity, covering forging, pressing, forming, machining and heat treatment.
02
Complete Process Coverage
Design, development, manufacturing and inspection capability supports drawing, standard and material confirmation.
03
Inspection Support
Inspection capability includes chemical analysis, metallographic tests, physical inspection and NDT.
Send inquiry
Send Your Requirement — Quotation Confirmed by Drawing and Standard
RFQs may include product, material, standard, quantity and destination country for admin follow-up.
Frequently asked questions
- What does Hebei Haihao Group Huadian do?
- We manufacture pressure piping components — pipe fittings, forged flanges, nonstandard forgings and seamless steel pipes — at our facility in Donglin Industrial Zone, Mengcun County, Cangzhou, Hebei, China. The company was founded in 1982 and operates 20 production lines with an annual capacity of 100,000 tons, serving global EPC procurement and industrial piping projects.
- Which countries does Hebei Haihao export to?
- Our products are exported to 30+ countries across North America, Europe, the Middle East, Southeast Asia, the CIS region, Africa and Latin America. Typical customers include multinational EPC contractors, oil & gas and chemical owners, electric power construction companies, and large distributors.
- How do I request a quotation?
- Submit an RFQ via our online inquiry form (with drawings or spec sheet attached if available), email haihaojituan@163.com, or call +86 132 9342 5333. We respond within 4 business hours on weekdays and within 24 hours on holidays.
- What languages are supported?
- The website is available in 14 languages: English, 中文 (Chinese), Español, Русский, العربية, Français, 日本語 (Japanese), 한국어 (Korean), Indonesia, Srpski (latinica), עברית (Hebrew), Ελληνικά (Greek), हिंदी (Hindi) and Svenska (Swedish). Sales engineers handle direct conversations in English and Chinese; other languages are supported via DeepSeek-powered live chat translation and email.