Haihao Group has successfully completed a shipment of ASTM A234 WPB pipe fittings for a valued customer in India. The order covers a wide range of butt weld components, including short radius elbows, concentric reducers, and tees, all manufactured to international standards to guarantee safety, ...
Haihao Group is pleased to announce its participation in Oil & Gas Asia (OGA) 2025, one of the most influential exhibitions in the energy sector. The event will take place from 2–4 September 2025 at the Kuala Lumpur Convention Centre, Malaysia.
📍 Hall 7, Booth 7601 & 7603
Haihao Group, G ...
When it comes to low-temperature pipeline projects, every component must be engineered with uncompromising accuracy and strength. Recently, Haihao Group completed a shipment of ASME B16.9 A420 WPL6 seamless fittings to a valued customer in South Korea, ensuring their new pipeline system will ope ...
Haihao Group has successfully completed an order of DIN 2605-1 TYPE 3 seamless elbows for a valued customer in Singapore. These elbows are manufactured from ST 35.8/I carbon steel, a material widely used in pressure piping systems due to its excellent strength and durability.
DIN 2605-1 TYPE-3 S ...
Haihao Group recently completed a shipment of heavy hex nuts for a long-standing industrial partner in Singapore, manufactured according to ASME B18.2.4.6M-2010 and ASTM A194 Grade 2H specifications. These nuts, sized M56, are engineered to perform in high-pressure, high-temperature bolting envi ...
Haihao Group has successfully completed the production and delivery of a series of seamless tee fittings for a key client in Italy, tailored to meet detailed specifications in size, schedule, material grade, and surface treatment. This order further demonstrates Haihao’s ability to handle divers ...
Haihao Group has recently completed the production and shipment of a comprehensive range of EN 10241 standard stainless steel pipe fittings made from high-quality SUS304 material. These fittings are destined for an international client operating in the industrial piping sector.
EN 10241 SUS304 t ...
At Haihao Group, we recently completed a critical supply of 90 degree long radius elbows for a key industrial project in the United Arab Emirates. Manufactured in strict accordance with ASTM B366 CL.WPN CMC.S, these elbows are crafted from UNS N06625 alloy, ensuring outstanding mechanical perfor ...
Haihao Group proudly announces the successful delivery of a comprehensive range of seamless pipe fittings to a valued client in the United Kingdom, marking another milestone in our ongoing commitment to serving international piping projects with certified, high-quality products.
Complete Range o ...
This month, Haihao Group successfully completed the supply of a batch of high-pressure flanges and seamless tubing for a valued customer in Poland. The order includes EN 1092-1 Type 11 weld neck flanges (Types E and F facing) and a Duplex stainless steel seamless tube, all manufactured from 1.44 ...
In industrial piping and pressure vessel applications, leak-proof sealing is critical to safety and performance. One of the most widely used sealing solutions in high-pressure and high-temperature environments is the spiral wound gasket (SWG). At Haihao Group, we recently completed the productio ...
At Haihao Group, we recently completed the production of a large batch of ASTM A234 WPB seamless carbon steel elbows for an Italian customer engaged in petrochemical pipeline installation. The scope of this project included both long radius (LR) and short radius (SR) elbows in multiple sizes, wa ...
At Haihao Group, delivering precisely engineered piping components that align with diverse global standards is central to every order we handle. Recently, we finalized the production of a specialized shipment of GOST standard tees and concentric reducers, manufactured to strict specifications fo ...
As one of China’s leading manufacturers of piping components, Haihao Group recently completed the production of a full range of stainless steel butt-weld fittings and weld neck (WN) flanges, manufactured according to ASME B16.9 and ASME B16.5 standards. The order was customized for a domes ...
Last week, we wrapped up the production and shipment of a batch of 6-inch STD 90° long radius elbows for a Russian client upgrading part of their transmission pipeline. The fittings were manufactured according to ASME B16.9 and made from ASTM A234 WPB carbon steel, as per the customer’s sp ...
In plumbing and industrial piping, getting connections just right is crucial. You might often hear terms like “bushing” and “adapter” used, sometimes interchangeably, which can be a bit confusing. While both help join components, understanding their core function is key t ...
Piping systems are the lifelines of modern infrastructure, moving everything from water and gas to chemicals and oil. But whether it’s a temporary construction phase, a permanent termination, or a point for future expansion, every pipe run eventually needs to be securely closed off. Choosi ...
In the vast world of piping systems, precision in component selection is paramount for operational integrity and safety. Among the most fundamental yet frequently confused fittings are pipe plugs and pipe caps. While both serve the crucial purpose of sealing pipe ends or openings, their design, ...
In industrial and construction applications, galvanized steel and stainless steel are widely used for their respective corrosion resistance properties and strength. However, a frequently asked and critical question arises: Can galvanized and stainless steel fittings be safely mixed within the sa ...
When a Malaysian client needed robust pipeline fasteners, Haihao Group delivered customized solutions that matched exacting standards. The order included high-strength bolts (HSFG), nuts, and washers designed for durability in demanding environments. Here’s how we ensured every component m ...
Can Two 45 Degree Elbows Replace a 90 Degree Elbow in Piping Systems?
Yes – in theory two 45 degree elbows can be used together to achieve a 90 degree change of direction. And in some cases it can have certain advantages
When two 45-degree elbows are installed in series, possibly with a sh ...
Haihao Group is a comprehensive industrial and trading service provider specializing in comprehensive pipeline solutions. Recently, we delivered ASME B16.9 ASTM A403 WP 316/316L pipe fittings to a Singaporean customer. The products purchased by the customer include:
Concentric reducer (16 “ ...
A major new FPSO (Floating Production Storage and Offloading) project has entered the spotlight in the Malaysian offshore energy market—the Sepat FPSO lease and operation contract. While the project was expected to attract enthusiastic bids from local FPSO contractors, industry insiders report t ...
When it comes to corrosion protection for steel, galvanizing is one of the most effective and widely used methods. However, not all galvanizing processes are the same. The two most common types are hot-dip galvanizing and cold galvanizing (also known as electro-galvanizing). While both aim to pr ...
