Haihao Group has once again demonstrated its strong supply capability by completing the delivery of ASTM A234 WPB seamless carbon steel pipe fittings to a long-term partner in the United Kingdom. This shipment included a full range of butt-weld fittings such as 90° and 45° elbows, equal and redu ...
Haihao Group has recently completed the delivery of a batch of hot-dip galvanized fasteners and non-asbestos gaskets for a large-scale pipeline project in Montenegro, marking another successful cooperation in the European market.
The order includes high-strength bolts and nuts (Grade 8.8) combin ...
Haihao Group has recently completed the manufacturing and shipment of a batch of ASTM A234 WPB carbon steel pipe bends for a key project in Vietnam. These bends are designed and produced according to ASME B16.49 and meet stringent industrial requirements for pressure piping systems.
The supplied ...
When it comes to demanding piping systems, reliability and performance are non-negotiable. Recently, Haihao Group successfully supplied a batch of weld neck (WN) flanges with RTJ facing for a high-pressure project in Singapore, once again demonstrating our capability to provide tailor-made pipin ...
Haihao Group is proud to announce the successful delivery of a large batch of pipe reducers to a valued client in Vietnam. The order included both concentric reducers (CON reducer) and eccentric reducers (ECC reducer) manufactured in ASTM A234 WPB carbon steel, fully compliant with ASME B16.9 st ...
At Haihao Group, every order is handled with precision and attention to detail. Recently, we completed the production and shipment of a custom SA 312 TP304 180° elbow, designed exactly to our client’s drawing requirements. This component, with a 6-inch diameter and SCH 40S wall thickness, was ma ...
In offshore and petrochemical industries, pipeline systems are constantly exposed to high pressure, corrosive media, and extreme temperatures. To ensure safety and reliability, operators rely on spectacle blind flanges for isolating sections of piping during maintenance or inspection.
Haihao Gro ...
Haihao Group recently completed the shipment of a full range of EN 10253-2 and DIN 2605 seamless pipe fittings to a Romanian client. This delivery highlights our ability to provide European standard pipe fittings that combine precision, durability, and strict compliance with international specif ...
Haihao Group is proud to announce the successful delivery of a batch of high-quality pipe fittings to a major oil & gas project in the United Arab Emirates. This shipment highlights our ability to meet urgent project demands with precision manufacturing, strict quality control, and complianc ...
Haihao Group has recently completed the shipment of MSS SP 97 branch outlet fittings for a customer in Singapore. The order covers a mix of forged carbon steel A105N outlets and stainless steel A182 F316/316L outlets, meeting stringent quality and performance demands.
MSS SP-97 A105N and A182 GR ...
Haihao Group has successfully completed the delivery of a new batch of A105N weld neck (WN) flanges, reinforcing our role as a trusted ASME B16.5 flange supplier in the global market. The shipment included WN flanges 16″-300 (RF/9.53) and WN flanges 3/4″-300 (RF/5.56), both manufactu ...
Haihao Group is proud to announce the successful delivery of a large batch of pipeline fittings and flanges to a valued client in Russia. This project highlights our capability to provide customized forged fittings, elbows, tees, reducers, flanges, and branch connections that meet stringent inte ...
Haihao Group is pleased to announce the successful shipment of a new order of butt-weld pipe fittings manufactured in compliance with ASME B16.9 standards. This batch includes a wide range of carbon steel A234-WPB elbows, reducers, and tees, tailored to meet the specific requirements of our inte ...
Haihao Group has successfully completed the delivery of a batch of ASTM A234 WP11 90° elbows for a valued client in Spain. This order highlights our capability to provide reliable alloy steel pipe fittings tailored for critical piping applications.
Order Overview
Product: 90° Elbow
Material Gra ...
Haihao Group is delighted to announce that we will be exhibiting at the 2025 Gastech Exhibition & Conference, held from 9–12 September 2025 at Fiera Milano, Italy. You are warmly invited to visit us at Stand C111.
As a trusted supplier of pipeline fittings, flanges, and customized solutions, ...
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 ...
