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.
HomeProductsStandardsApplication ScenariosInsightsCertificatesAboutContact
Get a quote
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

  • About
  • Application Scenarios
  • Certificates
  • Contact

Services

  • Send inquiry
  • Material reference
  • Insights
  • Feedback

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

© 2026 Hebei Haihao Group Huadian High Pressure Pipe Fittings Co., Ltd. · All rights reserved.

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.

Found us via Google? Get an ASTM/ASME pipe-fittings quote in 4 hours.

Send RFQ→
AllTechnicalStandardsCase studiesIndustry newsCompany newsBuyer guide

38 articles· Buyer guide

海浩法兰管件厂家:打造各类对焊法兰Buyer guide
Buyer guide

How to Procure Welding Neck Flanges: A Buyer's Guide for Industrial Projects

A practical guide for procurement engineers on selecting, specifying, and inspecting welding neck flanges for high-pressure and high-temperature applications.

Jun 27, 20265 min readHebei Haihao Group
海浩法兰管件:定制锻制管件的专业制造商Buyer guide
Buyer guide

How to Specify Custom Forged Pipe Fittings for Low/Medium Pressure Applications

Learn how to procure custom forged pipe fittings for low/medium pressure systems. This guide covers standards, inspection documents, RFQ checklist, and quality risks.

Jun 26, 20268 min readHebei Haihao Group
8字盲板的市场需求与未来趋势Buyer guide
Buyer guide

Figure-8 Blind Flanges: Procurement Guide for Industrial Piping Isolation

Learn how to specify and procure figure-8 blind flanges (spectacle blinds) for pipeline isolation. Includes standards, inspection criteria, and RFQ checklist.

Jun 26, 20265 min readHebei Haihao Group
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
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
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
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
PreviousPage 1 of 5Next