Since 1982 · Pressure piping components manufacturerReply in 4 h+86 132 9342 5333haihaojituan@163.com
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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  • Certificates
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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

Middle East

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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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Americas

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Africa

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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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232 articles

8字盲板如何影响管道系统的安全性?Buyer guide
Buyer guide

How Figure-8 Blanks Improve Pipeline Safety: A Procurement Guide

Learn how figure-8 blanks (spectacle blinds) enhance pipeline isolation safety. This guide covers standards, material selection, inspection documents, RFQ checklist, and quality risks for procurement engineers.

Jun 25, 20264 min readHebei Haihao Group
行业专家谈8字盲板的关键性能Buyer guide
Buyer guide

Procurement Guide to Figure-8 Blinds: Key Performance and Specification Checklist

Figure-8 blinds are critical for pipe isolation. Learn what to check when sourcing them, from sealing and corrosion resistance to standards and inspection documentation.

Jun 25, 20268 min readHebei Haihao Group
8字盲板在高新技术领域的应用实例Buyer guide
Buyer guide

Figure-8 Blinds in High-Tech Piping Systems: A Procurement Guide

Learn how figure-8 blinds (spectacle blinds) are used in high-tech industries for isolation, and what procurement engineers need to consider when sourcing them from China.

Jun 24, 20268 min readHebei Haihao Group
中低压管件法兰定制,海浩法兰管件集团为您提供解决方案Technical
Technical

Procurement Guide for Custom Medium-Low Pressure Flanges and Fittings

Source customized flanges and fittings for medium-low pressure applications? Learn key standards, RFQ checklist, inspection documents, and quality risks to avoid procurement pitfalls.

Jun 24, 20265 min readHebei Haihao Group
选择合适对焊管件的重要性Buyer guide
Buyer guide

A Procurement Engineer's Guide to Selecting Butt Weld Fittings

Choosing the right butt weld fittings is critical for pipeline integrity, safety, and cost efficiency. This guide covers key procurement considerations, standards, inspection requirements, and RFQ best practices.

Jun 23, 20268 min readHebei Haihao Group
锻制管件在航天应用中的重要性Technical
Technical

Forged Pipe Fittings in Aerospace: Procurement Considerations for Critical Systems

Learn about the critical role of forged pipe fittings in aerospace and key procurement factors including materials, standards, and quality assurance for EPC buyers.

Jun 23, 20266 min readHebei Haihao Group
对焊管件在重工行业的应用实例Buyer guide
Buyer guide

Procurement Guide for Butt-Weld Fittings in Heavy Industry Projects

A practical guide for EPC buyers on specifying, inspecting, and sourcing butt-weld fittings for oil & gas, chemical, and power applications.

Jun 22, 20265 min readHebei Haihao Group
锻制管件在风电领域中的作用Technical
Technical

Forged Pipe Fittings in Wind Energy: A Procurement Guide for EPC Engineers

How to specify, inspect, and procure forged fittings for wind turbine towers and nacelles. Key standards, quality risks, and RFQ checklist.

Jun 22, 20264 min readHebei Haihao Group
中低压管件法兰的设计与制造Buyer guide
Buyer guide

Procurement Guide for Medium and Low Pressure Pipe Fittings Flanges

Learn key considerations when sourcing medium and low pressure flanges and butt-weld fittings. Covers standards, materials, design factors, inspection requirements, and an RFQ checklist to help procurement engineers select reliable suppliers.

Jun 21, 20266 min readHebei Haihao Group
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