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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  • Application Scenarios
  • Certificates
  • Contact

Services

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  • Material reference
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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

🇸🇦SAU🇦🇪ARE🇶🇦QAT🇰🇼KWT🇴🇲OMN🇮🇶IRQ🇹🇷TUR

CIS

🇷🇺RUS🇰🇿KAZ

Europe

🇩🇪DEU🇫🇷FRA🇮🇹ITA🇪🇸ESP🇬🇧GBR🇳🇱NLD

SE Asia

🇮🇩IDN🇲🇾MYS🇸🇬SGP🇻🇳VNM

East Asia

🇰🇷KOR🇯🇵JPN

South Asia

🇮🇳IND🇵🇰PAK

Americas

🇺🇸USA🇨🇦CAN🇲🇽MEX🇧🇷BRA🇨🇱CHL🇦🇷ARG

Africa

🇪🇬EGY🇿🇦ZAF

Oceania

🇦🇺AUS🇳🇿NZL

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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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198 articles

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
锻制管件的未来发展趋势Buyer guide
Buyer guide

Forged Pipe Fittings Procurement Guide: Key Trends and Best Practices for EPC Buyers

Stay ahead in forged pipe fittings procurement with this guide covering industry trends, standards, inspection documents, RFQ checklist, and quality risks for EPC buyers.

Jun 15, 20265 min readHebei Haihao Group
对焊管件的标准分类及其意义Standards
Standards

Butt-Weld Fitting Standards: A Buyer’s Guide for Procurement Engineers

Understand the key standards for butt-weld pipe fittings, including material grades, dimensional requirements, and inspection documents to request from suppliers. This guide helps engineers ensure quality and compliance in pipeline projects.

Jun 15, 20266 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个性化解决方案Buyer guide
Buyer guide

How to Procure Custom Medium and Low Pressure Flanges: A Buyer's Guide

Learn key considerations for custom medium and low pressure flanges procurement, including standards, inspection documents, RFQ checklist, and quality risks.

Jun 14, 20265 min readHebei Haihao Group
深入解析8字盲板的设计原理Technical
Technical

A Procurement Engineer’s Guide to Figure-8 Blinds: Design, Standards, and RFQ

Learn the design principles, material standards, and inspection requirements for figure-8 blinds. Includes RFQ checklist and quality risks for global buyers.

Jun 14, 20265 min readHebei Haihao Group
海浩法兰管件:为制造业提供优质的管道元件Buyer guide
Buyer guide

Procurement Guide for Medium and Low Pressure Pipe Flanges

A practical guide for procurement engineers covering flange standards, inspection requirements, RFQ essentials, and quality risks for medium and low pressure applications.

Jun 13, 20266 min readHebei Haihao Group
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