All our work is customer demand-oriented, to provide customers with valuable 2 stainless steel cap, carbon steel buttweld caps, stainless buttweld caps and thoughtful services. The company has become a member of China's 4 inch steel pipe cap equipment industry with the purpose of being sincere and casting the future. Our company's development goals are in harmony with the interests of society, shareholders, affiliated companies and all employees. Our company has dedicated engineers and marketers with pioneering spirit, and has established a strict quality assurance system and advanced design concept, with excellent product craftsmanship, excellent quality and first-class service. We believe that quality should never be compromised, which is why we only work with the best suppliers and manufacturers. The spirit of honesty has become the soul, symbol and guide of our corporate culture, guiding us to strive to realize our new dream. Since its operation, our company has always adhered to the core competitiveness and values of "improving work quality, summarizing management experience, saving customer costs and creating service brands". We take the needs of our customers as our guide, respect talents, constantly improve our strength and level, and improve our service level and quality.
  • GOST Pipe Cap
    1.Size Range:DN15 to DN1000,outer diameter 21.3mm to 1016mm,covering common pipe sizes.
    2.Wall Thickness:2mm to 60mm according to GOST standard,suitable for various pressure ratings and...
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  • Steel Pipe Cap
    1.Brand and origin:HAIHAO,made in China,strictly conforming to ASME B16.9 GOST 17379 DIN 2617.
    2.Surface treatment:bare surface,painting,anti-rust oil,anti-corrosion coating,hot-dip...
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  • ASME Tee
    The HAIHAO brand ASME B16.9 butt-welding fittings series is designed and manufactured in strict accordance with the ASME B16.9-2024 standard, covering various structural types including equal...
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  • Carbon Steel Tee
    High Strength, Strong Pressure-Bearing Capacity
    Excellent Weldability, Easy to Install
    High Cost-Effectiveness, Economical and Durable
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  • Din Tee
    BW Butt-Weld, Material carbon steel / stainless steel / alloy steel, Wall thickness 3-40mm.
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  • Stainless Steel Tee
    HAIHAO brand stainless steel tees are manufactured in accordance with ASTM, GOST, and DIN standards, covering various types such as equal, reducing, 45°, and Y-type designs. With excellent...
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  • GOST Reducer
    1.Execution Standard: GOST 17378
    2.Type/Model: Concentric、Eccentric
    3.Specification: φ21.3mm-1016mm
    4.Connection Type: BW
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  • Din Reducer
    1.Wall Thickness:This product follows the DIN standard series,with thickness ranging from 1mm to 5mm and 3mm to 40mm,fully satisfying the pressure rating demands of diverse pipeline systems....
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  • ASME Cap
    1.International Standard:Designed and manufactured strictly in accordance with ASME B16.9, precise dimensions,globally applicable.
    2.Forming Process:Forged with complete metal flow and...
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  • Stainless Steel Pipe Cap
    Rich material varieties:including 304, 304L, 316, 316L, 321 and various international grade stainless steels, suitable for different media and environments.
    Stable forming process:formed...
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  • Alloy Steel Cap
    Material: Made of chrome-molybdenum alloy steel and nickel-based alloys, it exhibits excellent corrosion resistance and high-temperature resistance.
    Wall Thickness Grades: Sch5 to Sch160,...
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  • Butt Weld Outlet
    Execution Standard:MSS SP-97
    Type/Model:Forged
    Specification:1/8”-24”
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Terry Hogan star star star star star
We are deeply impressed by the enthusiastic attitude of your company's professional customer service. They treat us like good friends and give us a pleasant cooperation experience.
Timothy Amundson star star star star star
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
Mildred Brown star star star star star
It is the seller's serious and responsible attitude and friendly service that make our cooperation go smoothly.
David Thurston star star star star star
I will recommend this seller to my friends.
Patricia Wolford star star star star star
Recently, the industry has become so popular that more and more people want to come in and get a piece of the cake. Of course, compared with these enterprises that have come to experience something
Philip Allen star star star star star
The service of this manufacturer stands out in the industry, because their staff is very enthusiastic and responsible, and we will continue to cooperate with them.
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"The interests of customers are above all else, and quality is the lifeline of the enterprise!" makes our enterprise spirit. Our company has a complete set of service processes, only to provide you with professional and efficient 4 x 3 concentric reducer, ss weld neck flange and services. We are always customer-centric, maintain high-quality service, and strive to meet customer requirements. As one of the most professional 4 inch steel pipe cap 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 steel pipe cap made in China here from our factory. For price consultation, contact us.
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