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Haihao Group Delivers Precision-Machined Monel 400 Tube Sheet for Russian Heat Exchanger Project
In heat exchanger manufacturing, the performance of the entire equipment often depends on a single critical component-the tube sheet. Recently, Haihao Group completed the production and shipment of a custom-machined tube sheet manufactured from ASTM B564 UNS N04400 (Monel 400) for a customer in ... -
Haihao Group Supplies ASME B16.5 A105 Blind Flanges for High-Pressure Pipeline Project in Singapore
As industrial facilities in Southeast Asia continue upgrading their pipeline systems, the demand for high-pressure flange components capable of operating under demanding service conditions is increasing. Recently, Haihao Group completed the production and shipment of a batch of A105 blind flange ... -
Haihao Group Supplies Large-Diameter ASTM A105 Weld Neck Flanges for Indonesia Infrastructure Project
When discussing pipeline systems, attention is often focused on valves, pumps, or pipe materials. However, experienced engineers know that flange selection can have a direct impact on installation efficiency, maintenance costs, and long-term operational reliability. Recently, Haihao Group comple ... -
Haihao Group Ships Large-Diameter ASTM A105N Weld Neck Flanges for Portugal Industrial Pipeline Project
A large-diameter flange may look like a simple connection component, but in critical pipeline systems, it often determines how reliably an entire section of piping performs over years of operation. Recently, Haihao Group completed the production and delivery of a batch of ASTM A105N weld neck fl ...
Haihao pipe fitting department is the steel pipe fitting division of Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd, we manufacture ,supply and serve our clients all over the world in the steel pipe fittings field, especially the butt welding pipe fittings.
Hebei Haihao pipe fitting plant is established in 1988.At the beginning , we start production from carbon steel elbows ,then steel pipe tees years later.In the 21 century, we establish the new factory to produce the stainless steel pipe fittings. Now our pipe fittings plants can manufacture most kinds of steel pipe fittings used in industry pipeline.
