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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  • Contact

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

🇸🇦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.

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15 articles· Buyer guide

万能拉力机.JPGBuyer guide
Buyer guide

Third-Party Inspection RFP: SGS, BV, TUV, DNV, Intertek Compared

How to write a third-party inspection RFP for pipe fittings sourcing from China and compare SGS, Bureau Veritas, TUV, DNV and Intertek capabilities.

May 21, 202610 min readHebei Haihao Group
锻造.JPGBuyer guide
Buyer guide

MTC Review Checklist for Buyers: EN 10204 3.1 and 3.2 Audit

How international buyers should review a Mill Test Certificate before approving shipment, including EN 10204 3.1 vs 3.2 differences and red flags.

May 19, 20269 min readHebei Haihao Group
法兰管件图.jpgBuyer guide
Buyer guide

RFQ Template: 14 Fields When Buying Pipe Fittings From China

A field-by-field RFQ template for international buyers sourcing pipe fittings from China, covering grade, end prep, NDE, MTC, and Incoterms.

May 17, 202610 min readHebei Haihao Group
Pipe fittings factory auditBuyer guide
Buyer guide

Sourcing Pipe Fittings from China: Audit & RFQ Checklist

First-time China sourcing has two failure modes: trading-companies disguised as factories, and certifications that look impressive but mean nothing. Here is the desktop screening, audit, and RFQ template that filters them out.

May 14, 202614 min readHebei Haihao Group
ASME B16.9 pre-shipment inspectionBuyer guide
Buyer guide

ASME B16.9 Pre-Shipment Inspection: Dimensional Checklist

Pre-shipment inspection is your last cheap chance to reject a defect. Here is the dimensional limits, visual checks, NDT spot-checks, marking verification, and document packet to walk down before the container leaves the port.

May 13, 202612 min readHebei Haihao Group
Mill test certificate inspection at fittings factoryBuyer guide
Buyer guide

EN 10204 3.1 vs 3.2 Mill Test Certificates: Buyer Guide

The mill test certificate matters more than the price quote — but only if you know what to look for. Here is the 4-type EN 10204 system, what makes a 3.1 valid, and when 3.2 is mandatory.

May 13, 202610 min readHebei Haihao Group
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