Through the continuous optimization of the process, we improve the quality of en 1091 1 flange, carbon steel plate flange, stainless steel plate flanges and save costs. We take measures to reduce production costs, stabilize the market, actively explore overseas markets, expand market share and influence and develop marketable new flange on a pipe. In the economic society of survival of the fittest, technological innovation is the foundation of enterprise survival and development. In the process of development, we always adhere to people-oriented, care for employees, and promote the harmonious development of the enterprise. Core values are the common beliefs of all our employees. We believe that only by adhering to these six core values can we maintain the right direction in the future development, truly become a world-class excellent enterprise, obtain the sustainable development of the enterprise, and finally achieve the evergreen foundation of the enterprise. In order to improve the product quality grade and product rate, enterprises must coordinate and innovate in process technology, process management and process discipline. In the current fierce competition market, we have enough competitiveness in terms of professional production, advanced and reasonable design and manufacturing, excellent process equipment, quality concept of paying equal attention to appearance and interior, sales price and technical service level.
  • 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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  • 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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Christopher Padilla star star star star star
This vendor has given us a lot of support. They can produce new products from time to time, provide us with product knowledge, sales skills, etc., so that we can quickly become experts and face the
Yvonne Halsey star star star star star
As people in the same industry, we also know that this market is changing very fast, but this company can learn and progress in depth and understand various details of products, which is very worth
Daniel Bryson star star star star star
During the cooperation, the relevant departments of our company deeply felt the advanced design concept of their products, the front-end production process, strict quality standards, and efficient
Earl Armstrong star star star star star
Your design concept is very advanced and you listen to our opinions.
Marina Kemp star star star star star
We are very satisfied with this cooperation. In the process, we followed the good idea of harmony, mutual care, sincere unity and integration, which doubled the sales volume.
Jeremy Herbert star star star star star
The delivery is very fast, the stuff is amazing!!
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We have been providing large diameter pipe bending, carbon steel plate flange with higher efficiency and lower price for consumers with our strong research and development capabilities. As one of the most professional flange on a pipe 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 flange on a pipe made in China here from our factory. For price consultation, contact us.
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