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Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd.
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Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd.Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd.Pressure Pipe Fittings · Flanges · Factory Direct

Since 1982. Pressure piping component manufacturer covering elbows, flanges, tees, reducers and project supply.

ISO 9001 quality system · ABS Type Approval · safety-registered manufacturer

Products

  • Elbow
  • Tee
  • Reducer
  • Flange
  • Pipe Bend

Company

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Services

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Contact

  • Donglin, Mengcun County, Cangzhou City, Hebei Province, China
  • +86 132 9342 5333
  • haihaojituan@163.com
  • www.haihaohuadian.com

Global delivery

· Shipping to projects in

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CIS

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Europe

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SE Asia

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East Asia

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Oceania

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PrivacyTermsEstablished 1982 · Mengcun, Hebei, China

Insights

Insights & Knowledge Center

Technical articles, standards comparisons, project case studies and buyer guides on pressure piping components, flanges and forged fittings.

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194 articles

Selecting the Right Material for Medium and Low Pressure Pipe Flanges: A Procurement GuideTechnical
Technical

Selecting the Right Material for Medium and Low Pressure Pipe Flanges: A Procurement Guide

A technical guide for procurement engineers on choosing carbon steel, cast iron, or stainless steel flanges for medium and low pressure applications, including standards, inspection requirements, and RFQ checklist.

Jun 20, 20265 min readHebei Haihao Group
锻制管件在环保中的应用
Buyer guide
Buyer guide

Forged Fittings for Environmental Applications: A Procurement Guide for EPC Buyers

Learn how to source forged pipe fittings for environmental projects. Key standards, inspection documents, RFQ checklist, and quality risks explained for EPC engineers.

Jun 19, 20266 min readHebei Haihao Group
How High Pressure Flanges Are Manufactured: A Procurement Guide for Quality AssuranceTechnical
Technical

How High Pressure Flanges Are Manufactured: A Procurement Guide for Quality Assurance

Understand the precision manufacturing process of high pressure flanges, key quality checks, and what to specify in your RFQ to ensure reliable performance in critical applications.

Jun 19, 20268 min readHebei Haihao Group
锻制管件在建筑领域中的应用Buyer guide
Buyer guide

Procurement Guide for Forged Pipe Fittings in Building Construction

Learn how to source forged pipe fittings for building projects. This guide covers standards, inspection documents, quality risks, and an RFQ checklist for procurement engineers.

Jun 18, 20266 min readHebei Haihao Group
Procurement Guide for High-Pressure Flanges and Fittings in Aerospace ApplicationsTechnical
Technical

Procurement Guide for High-Pressure Flanges and Fittings in Aerospace Applications

A practical procurement guide for engineers sourcing high-pressure flanges and fittings for aerospace systems, covering standards, inspection documents, and quality risks.

Jun 18, 20267 min readHebei Haihao Group
锻制管件在汽车工业中的应用Buyer guide
Buyer guide

Procurement Guide: Forged Pipe Fittings for Automotive Applications

Learn how to source forged pipe fittings for automotive systems. This guide covers relevant standards, quality risks, inspection documents, and an RFQ checklist for industrial buyers.

Jun 17, 20265 min readHebei Haihao Group
从航天到重工:8字盲板的广泛用途Technical
Technical

How to Procure Figure-8 Blinds for High-Pressure Piping Systems

A practical guide for buyers on selecting and procuring figure-8 blinds (spectacle blinds) for industrial applications, covering standards, quality checks, and RFQ essentials.

Jun 17, 20268 min readHebei Haihao Group
锻制管件:工业管道系统的坚实支撑Buyer guide
Buyer guide

How to Specify and Procure Forged Pipe Fittings for High-Pressure Systems

A practical guide for procurement engineers on selecting forged fittings (elbows, tees, reducers) for high-pressure applications. Covers key standards, inspection documentation, RFQ checklist, and quality risks.

Jun 16, 20265 min readHebei Haihao Group
8字盲板与其他管件的区别是什么?Technical
Technical

Figure-8 Blind vs. Other Pipe Fittings: A Procurement Engineer's Guide

Understand the differences between figure-8 blinds, spectacle blinds, valves, and branch fittings. Learn what to check when sourcing figure-8 blinds for pipeline isolation.

Jun 16, 20265 min readHebei Haihao Group
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