In critical piping systems, operators must frequently isolate sections of pipelines for maintenance, inspection, or repair. Two of the most reliable solutions are the paddle blank flange (spade flange) and the spectacle blind flange. While they serve simil ...

Haihao Group has successfully shipped a batch of concentric swage nipples to a key client in Singapore, further demonstrating our ability to supply reliable pipe fittings for international projects. Designed for precision and durability, these components e ...

Haihao Group has successfully completed a shipment of pipeline products to a client in Belarus, reaffirming our role as a trusted global supplier of pipe fittings, flanges, and fasteners. The order included critical components manufactured to ASTM and ASME ...

Haihao Group recently completed a shipment of high-pressure forged fittings for a key customer in Singapore. This order highlights Haihao’s strength as a trusted ASME B16.11 forged fittings supplier with the ability to support demanding oil, gas, and ...

Haihao Group has successfully completed the shipment of a batch of A234 WPB seamless 90-degree long radius (LR) elbows to a valued customer in Brazil. These elbows are manufactured according to ASME B16.9 standards, ensuring durability and precision for de ...

Haihao Group is pleased to announce the successful delivery of a complete range of pipe fittings to a valued customer in Switzerland. Manufactured strictly in accordance with BS EN 10253-2 standards, this order demonstrates our expertise as a reliable butt ...

Haihao Group has recently completed the shipment of a large batch of seamless butt-weld pipe fittings to a valued client in Korea. The order includes a full range of elbows, reducers, and tees manufactured according to ASME B16.9 standards, ensuring excell ...

Haihao Group is proud to announce the successful delivery of 90° elbows made from ASTM A234 WP11 alloy steel to our valued customer in Spain. These A234 WP11 90° elbows are manufactured to the highest international standards and are designed to meet the de ...

Haihao Group is proud to confirm our participation in the 2025 Gastech Exhibition & Conference, which will take place from 9–12 September 2025 at Fiera Milano, Milan, Italy. We invite you to visit us at Stand C111. As a trusted global supplier of pipel ...

Haihao Group has recently delivered a batch of ASME B16.9 ASTM A234 WPB pipe fittings to an Indian customer, marking another milestone in our commitment to providing safe, durable, and high-performance piping solutions. This shipment included a wide select ...

Haihao Group is proud to confirm its participation in the upcoming Oil & Gas Asia (OGA) 2025, scheduled from 2–4 September 2025 at the Kuala Lumpur Convention Centre, Malaysia. Together with Ganyeah Group and FNS (Nanjing) Surface Engineering Service C ...

Haihao Group has successfully completed the shipment of a full range of ASTM A420 WPL6 pipe fittings to a long-term customer in Kazakhstan. The order includes 90° long-radius elbows, concentric reducers, and MSS SP-97 weldolets, all designed and inspected ...

Haihao Group has successfully completed a shipment of A234 WPB carbon steel pipe fittings to a valued customer in South Korea. The order included 8 inch 90-degree short radius elbows and 20″x16″ concentric reducers, all manufactured in complian ...

Haihao Group recently completed the shipment of a large order of seamless carbon steel pipe fittings to a client in Brazil, supporting a critical pipeline infrastructure project. The order includes a wide range of components manufactured in accordance with ...

Haihao Group is pleased to announce the recent shipment of precision-engineered 90 degree long radius elbows to our valued customer in Singapore. These stainless-steel fittings were manufactured to ASME standards and custom-tested to ensure a perfect fit a ...

At Haihao Group, we supply forged rings made to meet our clients’ exact needs. Recently, we delivered a special order of forged rings to a customer in the United Arab Emirates. Custom Forged Rings Made to Client Drawings We produced these forged ring ...

Haihao Group has successfully completed the production and shipment of 45° long radius elbows to a valued customer in the United Arab Emirates, marking another milestone in our commitment to delivering customized, high-performance piping components to glob ...

As a leading manufacturer of forged fittings and flanges, Haihao Group recently completed the production of a batch of high-pressure stainless steel couplings for our valued customer in Indonesia. These components will be installed in critical piping syste ...

Recently, our workshop completed production of a batch of seamless stub ends tailored for a Russian customer with highly specific project requirements. This order demonstrated not only our capacity for precision manufacturing but also our experience in ful ...

Low-temperature pressure vessels play a crucial role in industries such as LNG storage, cryogenic chemical processing, and refineries, where materials are exposed to subzero conditions. The reliability and safety of these vessels depend largely on the sele ...