News
- ASTM A193 Gr.B7 Stud Bolts with A194 Gr.2H Nuts: High-Strength Fasteners for Industrial Applications2025-04-02
- ASTM A420 WPL6 pipe fittings for low-temperature applications2025-03-28
- Haihao Group manufactures and ships high-quality pipe fittings to Iran2025-03-27
- ASME B16.25 ASTM A105 Weldolet Features and Applications2025-03-26
- Haihao Group’s Brazilian customer places eighth order for ASME B16.9 pipe fittings2025-03-24
- Haihao Group, GANYEAH Group, and FNS (NanJing) Group to Exhibit at NEFTEGAZ 20252025-03-20
- Precision engineered ASTM A321 forgings: Meeting exact chemical specifications for demanding applications2025-03-17
- High-quality ASME B16.9 A234 WPB SR SMLS 90DEG elbows by Haihao Group2025-03-14
- Haihao Group secures major Singapore contract, demonstrating global reach and rapid fulfillment2025-03-13
- Introduction to threadolet ASTM A105 Class 30002025-03-10
- ASME B16.9 ASTM A815 UNS S32750 Concentric Reducer – Superior Strength & Corrosion Resistance2025-03-06
- Haihao Group provides certified quality for Singapore customer’s order2025-03-05
- Haihao Group Secures New Order from a Singaporean Customer2025-03-04
- Introduction to ASME B16.11 3/4″ NPT Threaded Pipe Cap 6000# ASTM A350 GR. LF2 CL1 NACE MR01752025-02-28
- ASME B16.48 Spade – Custom Production for Russian client2025-02-27
- Haihao Group’s commitment to meeting the UK Client’s order requirements2025-02-26
- Gasket design considerations for low-temperature pressure vessels2025-02-25
- Haihao Group delivers high-quality threaded adapters for Russian client2025-02-20
- Haihao Group supplies 316 full threaded studs and heavy hex nuts to Russian customer2025-02-18
- Haihao Group delivers ASME B16.9 A234 WPB butt weld fittings to Iran2025-02-13