We continue to provide stainless steel socket weld flange, Steel Line Blanks, ss316 flange and solutions with independent intellectual property rights for all walks of life. The company is positioned as "distinctive features, first-class in the industry", with "science first" as the core development concept, adhering to the corporate values of "hard work, innovation, unity and win-win", and is committed to becoming an advanced supplier of special but weld flange products and materials and a provider of sealing technology And industry technology leader. Based on the comprehensive quality of our employees, we have won the trust of our customers with our scientific installation technology, excellent workforce and quality customer service. 80% of our products exported to worldwide. In order to adapt to the rapid development of e-commerce environment, expand global business, our compnay has established cooperation with a number of well-known manufacturers. It is our company's goal to achieve win-win situation with our employees, and it is our company's goal to actively give back to the society. Building a quality industrial chain means building a customer base and a suitable supplier system that is suitable for our company's development. Only by building on a quality industrial chain can we achieve high quality and thus promote the long-term healthy development of our company.
  • Socket Weld Pipe Flange
    Connection Type: Socket weld, pipe inserted into socket and joined by fillet weld
    Application Scope: High-pressure, high-temperature, leak-proof piping systems
    Structural Feature:...
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  • ASME B16 5 Weld Neck Flange
    Complies with ASME B16.5, forged weld neck flange
    Core industrial pipeline connector, butt-welding type, high strength & excellent sealing
    Multi-material/pressure adaptable, low...
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  • Steel Slip On Flange
    Company: HAIHAO
    Material: Forged ASTM A105
    Specification: DN25, Class 150, RF facing
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  • ASME Blind Flange
    Standard: ASME B16.5, material: carbon steel, stainless steel, alloy steel, connection type: bolted connection.
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  • Large Diameter Flange
    Standard: ASME B16.47, material: carbon steel, stainless steel, alloy steel, connection type: buttwelding.
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  • Threaded Pipe Flange
    Standard: ASME B16.5; material: carbon steel, 316L stainless steel, chromium molybdenum steel; connection type: threaded connection.
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  • Steel Line Blanks
    We stick to ASME B16.48 from start to finish.
    Available in Figure‑8, paddle blank, and paddle spacer styles.
    Sizes run from 1/2” to 24”.
    We handle pressures from CL150 up to...
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  • Stainless Steel Forged Flange
    Our stainless steel flanges are produced in line with widely recognized international pipeline standards, namely ASME B16.5, ASME B16.47, EN1092-1, BS4504 and SANS1123. The product size covers...
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  • Steel Plate Flange
    Execution Standard:EN1092-1 type01
    Type/Model:Forged,Plate Flange
    Specification:DN15-DN600
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  • EN Weld Neck Flange
    Forged to EN 1092-1 Type 11 standard
    Butt-welding connection for high-integrity piping systems
    DN10-DN4000, PN2.5-PN400 pressure ratings
    Materials: P250GH, 13CrMo4-5,...
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  • EN Blind Flange
    Product: EN Blind Flange
    Standard: EN 1092-1
    Pressure Rating: PN6 (data sheet reference)
    Material: Forged steel (carbon, alloy, stainless grades)
    Connection Type: Bolted
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  • BS Plate Flange
    Execution Standard: BS4504
    Size Range: DN10 – DN4000
    Pressure Rating: PN2.5 – PN250
    Material Options: Carbon Steel (Q235, S235JR, S355JR), Stainless Steel (304, 316L), and...
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Charles Deer star star star star star
Very practical items, they have received a lot of praise from customers!
Richard McKenzie star star star star star
They are based on the global market and closely combine the characteristics of various industries, so the products can meet our needs very much. Professional after -sales service has also helped us
Debra Taylor star star star star star
I have been shopping in this company for many times, and the main feeling is that their products are really good. The appearance, design, function, environmental protection and safety are excellent.
Rebecca Jones star star star star star
The quality of your goods was very high and your taste in fashion was excellent, overall it was a great experience.
Thomas Tolliver star star star star star
Their workshop processing technology is more comprehensive, and almost all the product technologies are involved. The product quality and craftsmanship are very good, I am optimistic about them!
Roger Obrien star star star star star
Your customer service is very patient and highly skilled, which we appreciate very much.
The company has more than ten years of development history, has been engaged in the development and manufacturing of weld neck flange asme b16 5, mild steel tee , and has a group of highly skilled and experienced technicians who can adjust according to the needs and changes of the market. As one of the most professional but weld flange manufacturers and suppliers in China, we are able to meet the needs of the majority of our customers. Please rest assured to wholesale high quality but weld flange made in China here from our factory. For price consultation, contact us.
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