News
- Precision thickness control in hot-dip galvanization2024-11-22
- Introducing ASME B16.28 ASTM A234-WPB galvanized 90° SR elbow2024-11-21
- Strict quality inspection for ASME B16.9 elbows ordered by Iranian client2024-11-19
- Delivering ASME B16.9 A234 WPB 45° LR butt weld elbow for Iranian client2024-11-18
- Haihao Group delivers ASME B16.11 90° elbow SW ASTM A182 GR F347 for Belarus client2024-11-13
- Haihao Group ships low sulfur and phosphorus ASME B16.9 A234 WPB equal tee to Iran2024-11-12
- Introduction to ASME B16.9 A234 WPB 34″ x 24″ butt weld reducing tee2024-11-11
- ASME B16.9 A860 WPHY60 equal tees for Iranian client2024-11-08
- Korean client’s order of ASME B16.9 A234 WPB reducing tees2024-11-07
- ASME B16.11 ASTM A182 F9 45° socket weld elbows for Iranian customer2024-11-04
- How many methods are there of producing pipe caps?2024-10-30
- Introduction to ASME B16.9 A234 WPB pipe caps in Brazilian client’s order2024-10-29
- Haihao Group Welcomes You to Visit Us at ADIPEC in Abu Dhabi2024-10-28
- Differences between Type A, Type B, and Type C stub ends2024-10-28
- Differences between ASME/ ANSI and MSS stub ends2024-10-24
- Introduction to stub ends and their standards2024-10-24
- Introduction to ASME B18.31.2 SA-193 Gr.B7 double end bolts with ASTM F1941 Zinc coating2024-10-22
- Haihao Group ships EN 10253-2 P265GH fittings to a UK customer2024-10-21
- The Russian customer ordered EN 10253-3 316L concentric reducers2024-10-15
- High quality shipment of ASME B16.9 A234 WPB elbows ordered by Haihao Group’s UAE customer2024-10-14