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

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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

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Technical articles, standards comparisons, project case studies and buyer guides on pressure piping components, flanges and forged fittings.

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2 articles· Buyer guide

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