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Products
Spectacle Blind Flange (Figure-8 Blind Flange)
ASTM A193 B7 stud bolt with heavy hex nuts
ASTM A105 Threadolet
ASTM A105 Nipolet
ASTM A182 F321 Forged Weld Neck Flanges
Seamless 304L 1.4307 Stainless Steel Pipe Fittings
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Steel Pipes
3LPE & 2LPE & EPOXY Coating Pipes
Seamless Steel Pipes
Welded Steel Pipes
Casing And Tubing Pipes
Butt Welding Pipe Fittings
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Forged Flanges
Weld Neck Flange
Blind Flange
Threaded Flange
Slip On Flange
Socket Weld Flange
Lap Joint Flange
Plate Flange
Orifice Flange
Spectacle Blind Flange
Weld Overlay Cladding Flange
Forged Steel Pipe Fittings
News&List
FRP Pipes: Are They Glass or Steel?
Key Considerations for Pipe Support and Hanger Installation
Key welding techniques for pressure vessel nozzles and reinforcement pads
The applications and advantages of five common types of industrial filters
How to select the right industrial filter?Principles and requirements for filter selection
Supplying EN10253-2 P265GH Seamless Pipe Fittings for a UK Client
Haihao Group supplies precision cut custom steel tubes to South Africa
ASME B16.11 ASTM A350 Gr LF2 Cl 1 socket weld tees precision-engineered for Russian industrial challenges
Haihao Group Showcases Pipe Fitting Solutions at NEFTEGAZ 2025 – Day Two Highlights from Moscow
High-performance fasteners and pipe fittings for nuclear reactor applications supplied by Haihao Group