Products
- What is a tube sheet (tubesheet) for heat exchanger?2016-04-27
- Haihao Piping Group presented at CIPE & CIPPE Beijing2016-04-25
- Hebei Haihao Group is looking for translator for Iran Oil Show2016-04-12
- Haihao Group will attend 21st Iran International Oil,Gas,Refining,Petrochemical Exhibition2016-04-08
- A234 WPB steel pipe fittings2016-03-18
- Haihao Group carried annual verification of CE(PED) certification2016-03-18
- Hebei Haihao Group and Wavin Group work together to support Pakistan piping system market2016-03-11
- What is A234 WPB steel pipe fitting?2016-02-26
- Quality inspectors of Haihao Group do pipe fittings X-ray testing in holiday2016-02-23
- What is the type of pipe tees?2016-02-16
- Hebei Haihao Group will attend Pakistan HVACR Society Exhibition2016-01-13
- Steel Flanges2015-12-27
- Long Radius Elbow（LR Elbow）2015-12-26
- Concentric reducer (Con reducer)2015-12-26
- Straight Tee2015-12-10
- Short Radius Elbow（SR Elbow）2015-12-09
- The difference between pipe bend and elbow2015-12-02
- 120 pcs hot induction bends are arranged heat treatment in Haihao pipe fitting factory2015-11-24
- Most Common Steels Used in Process Piping Industry2015-11-11
- Hebei Haihao pipe fitting factory finish the aerospace fuel piping systems order2015-11-07