Haihao Group, together with Ganyeah Group and FNS (Nanjing) Surface Engineering Service Co., Ltd., will take part in the Oil & Gas Asia (OGA) 2025 exhibition at the Kuala Lumpur Convention Centre, Malaysia, from 2–4 September 2025. Hall 7 | Booth 7601 & 7603 Haihao Group, Ganyeah Group, ...

Haihao Group has successfully completed the shipment of a batch of ASME B16.5 ASTM A182 Gr.F5 weld neck flanges to a valued customer in Belarus. This delivery reflects our commitment to precision manufacturing, compliance with global standards, and meeting the specific requirements of critical i ...

In the demanding environments of the oil and gas industry, where extreme pressures and corrosive media are the norm, the integrity of every single connection is non-negotiable. For our clients in Kazakhstan, a country at the heart of Central Asia’s energy sector, ensuring the reliability o ...

Haihao Group has successfully completed the manufacturing and delivery of a batch of ASME B16.5 RF weld neck flanges for a valued customer in Singapore. The order includes two standard sizes: 6″ Class 1500# Schedule 80 12″ Class 300# Schedule 80 All flanges are manufactured from 12 ...

Haihao Group has successfully completed the production and shipment of a comprehensive batch of carbon steel flanges for a key infrastructure project in Singapore. This delivery includes multiple flange types, pressure ratings, and sizes, manufactured according to ASME B16.5 standards, and tailo ...

Haihao Group has completed the production and shipment of a batch of high-specification flange products for a valued client in Italy, demonstrating once again our capability to fulfill complex orders with precision and reliability. Shipment of ASME B16.5 and B16.47 flanges to Italy This order in ...

Haihao Group has successfully completed the production and shipment of a batch of RTJ WN flanges for a critical industrial application in the United Arab Emirates. Manufactured from ASTM B564 UNS N06625, a high-performance nickel-based alloy, these flanges were supplied in sizes ½” and 2&# ...

Haihao Group recently shipped a batch of ASME B16.5 A350 LF2 CL1 weld neck flanges to Indonesia — built for high-pressure, low-temperature service with uncompromising quality. Our 10″ 900# SCH120 weld neck flanges are forged from certified A350 LF2 CL1 material, ensuring mechanical strengt ...

Haihao Group recently completed the manufacturing and shipment of a full range of ASME B16.5 A105N carbon steel flanges for a customer based in Singapore. The shipment included a variety of flange types—slip on (SO RF), weld neck (WN RF), and blind (BL RF)—covering pressure ratings of 150# and 3 ...

Over the past month, Haihao Group completed a specialized shipment of RTJ paddle blank flanges, paddle spacers, and figure 8 blanks for a major Singapore process-plant project. Our team delivered seven unique items—ranging from 2-inch inserts to 12-inch blanks—each engineered to handle pressures ...

Germany, as one of Europe’s most advanced manufacturing hubs, is renowned for its rigorous standards in engineering and industrial systems. For suppliers in the piping component industry, delivering high-quality, standard-compliant, and customized products is the key to earning trust in su ...

In today’s industrial landscape, the reliability of pipeline connections is paramount—especially in critical systems operating under high temperature and pressure. Haihao Group, a leading global supplier of pipe fittings, flanges, and gasket solutions, has once again demonstrated its manuf ...