We focus on the future development of the ss weld neck flange, Socket Weld Pipe Flange, 2 inch stainless steel flange industry and improve the overall competitive strength of the company. We always rely on providing the most perfect 4 inch stainless steel flange and the most perfect services to pursue the greatest customer satisfaction and thus realize the value of our enterprise! We have established corresponding career paths with clear promotion space and development direction for our employees. Our corporate culture has been vigorously promoted during development and has become a common code of conduct with all employees of the company. As a customer-focused company, we prioritize communication and responsiveness to ensure our clients are always up-to-date and satisfied. The company has won the market with good product quality, high-quality after-sales service, and preferential market prices, and won unanimous praise from customers. We adhere to the spirit of unity, hard work and dedication, manufacture fine products, and work hard with the market and develop together on the road of reform and development. We are always striving to expand our product range and offer innovative solutions to our clients.
  • 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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  • 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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  • 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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  • 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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  • Steel Plate Flange
    Execution Standard:EN1092-1 type01
    Type/Model:Forged,Plate Flange
    Specification:DN15-DN600
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  • EN Slip-on Flange
    Standard: EN1092-1 Type 12
    Material: carbon steel, alloy steel, stainless steel
    Connection type: butt welding, bolted connection
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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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Charles Rodriguez star star star star star
The product and after sales service were excellent and our leaders were very happy with the deal!
Christina Baugher star star star star star
The seller has carefully checked the quality of the products from raw material processing to packaging. The products we received are stable in quality and very durable, so they do not need to be
Herman Brewer star star star star star
This company adheres to the business philosophy of honesty, people-oriented, service first, learning and progress, and win-win cooperation. As a customer of this company, we felt a very good shopping
Minh Walker star star star star star
We have received the goods, which is really amazing, and the packaging of the products is very tight, and there is no damage to the products.
Rachel Beck star star star star star
You are a high-quality enterprise. It is our great honor to cooperate with you.
Gwendolyn Stokes star star star star star
The supplier attaches great importance to the personal interests of customers and insists on sharing the achievements brought by development with us.
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We will adhere to the business philosophy of 'creating high-quality products and providing professional services' and wholeheartedly provide all kinds of GOST Elbow, 2 inch steel elbow, 1 2 inch stainless steel tee to customers all over the world. As one of the most professional 4 inch stainless steel 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 4 inch stainless steel flange made in China here from our factory. For price consultation, contact us.
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