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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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Contact

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

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· Shipping to projects in

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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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244 articles

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
锻制管件是工业领域中的重要元件Technical
Technical

Procurement Guide for Forged Pipe Fittings: Standards, Quality Checks, and RFQ Best Practices

Learn what EPC buyers need to verify when sourcing forged pipe fittings—from material standards and forging grades to inspection documents and RFQ checklists.

Jun 21, 20266 min readHebei Haihao Group
对焊法兰与承插法兰的比较分析Buyer guide
Buyer guide

Buttweld vs Socket Weld Flanges: A Procurement Engineer's Guide

Compare buttweld and socket weld flanges for high-pressure applications. Learn standards, inspection documents, RFQ checklist, and quality risks for industrial procurement.

Jun 20, 20267 min readHebei Haihao Group
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
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