At Haihao Group, we pride ourselves on meeting the specific needs of our global customers. Recently, we successfully fulfilled an order for a Sri Lankan customer, supplying high-quality EN 1092-1 Type 01 flat flanges. These components are essential in ensuring safe and reliable connections in in ...

Haihao Group recently produced a 6″ WN compact flange for a Singapore client, designed to ISO 27509 standards and crafted from ASTM A694 Grade F65 material. This compact flange is tailored for environments where space is limited, such as small equipment or dense pipeline systems. What Make ...

In high-pressure oil and gas operations, reliable and robust connections are critical for maintaining system integrity and ensuring safety. API 6A TYPE 6BX flanges and blind flanges are essential components designed specifically to meet the stringent demands of such environments. This article hi ...

The Russian customer placed an order for a comprehensive batch of flange products designed to meet the complex needs of industrial pipeline systems. This batch included weld neck flanges, spectacle blind flanges, ring spacers, and spades, all manufactured to exacting standards to ensure compatib ...

Haihao Group has successfully produced and delivered a batch of ASTM A105 blind flanges for a valued client in Singapore. These flanges were manufactured to meet the stringent requirements of ANSI B16.5, NACE MR0175, and ISO 15156, ensuring compatibility with demanding industrial applications. F ...

Our Singapore client recently placed an order for a specialized product, a swivel flange. This product adheres to strict standards and requirements, ensuring top-tier performance and durability in high-pressure applications. Below are the detailed specifications of the product and a brief descri ...

Haihao Group, a recognized leader in the piping systems industry, continues to showcase its expertise in delivering tailor-made solutions for diverse client needs. Recently, we successfully completed the production of a custom batch of flanges for a valued client in Vietnam. These flanges, manuf ...

Haihao Group, a leading manufacturer of piping system components, is committed to delivering products that meet the most stringent material and performance requirements. For a recent project, a client requested ASME A182 F51 flanges with precise specifications to ensure reliability and durabilit ...

Haihao Group recently completed a customized order for a client, which included spiral wound gaskets (SPW) designed to meet rigorous industrial requirements. The product was meticulously manufactured and underwent strict quality inspection to ensure it met the client’s specifications and i ...

Recently, Haihao Group successfully completed a custom order for a Singaporean client involving specialized flanges and components for SOLAS International Shore Connection. This project exemplifies our unparalleled ability to deliver customized manufacturing solutions while meeting stringent cla ...

At Haihao Group, quality assurance is paramount. Recently, we conducted a comprehensive dimensional inspection of a batch of ASME B16.5 RF A350 GR.LF2CL.1 blind flanges, ensuring they met both international standards and our client’s specifications. Dimensional inspection plays a critical ...

Haihao Group recently completed production of a batch of API 6A RTJ A694 Gr. 60 PSL3 blind flanges for a distinguished client in the UAE. The order came with stringent quality requirements, demonstrating the client’s commitment to safety and performance in critical applications. Haihao Gro ...