Products
- Threaded pipe fitting order2023-03-06
- B16.9 A234 WPB large diameter elbow delivery2023-03-02
- Flanges and connecting pipes are coated2023-02-28
- Expedited shipment pipe fitting products for Italian customers2023-02-24
- Haihao provides flanges and related products for nuclear power plant projects2023-02-21
- Shipping pipe fittings for customers in Türkiye2023-02-17
- Haihao Group successfully passed the annual supervision and audit of API certification2023-02-15
- Celebrate the 40th anniversary of Haihao Group!2023-02-08
- The engineering construction of Bohai Oilfield has set a new record2023-02-06
- Quality inspection of finned tubes2023-01-12
- Performance requirements and types of finned tubes2023-01-10
- Pakistan customers ordering aluminum A1060 fin tubes2023-01-06
- Singapore customer pipeline product quality inspection2023-01-03
- Looking back at 2022, gathering strength, looking forward to 2023, forge ahead！2022-12-31
- China Shipbuilding Group fulfilled the annual delivery task ahead of schedule2022-12-27
- The longest coal-bed gas pipeline in China has been completed2022-12-22
- Singapore customer elbow delivery2022-12-15
- Qc Marine pipeline products for Singapore customers2022-12-13
- Hydrogen fuel cell powered ship technology helps green shipping2022-12-01
- Comparison of Hydrostatic Test and Eddy Current Test of Steel Pipe2022-11-28