With honesty and sweat to achieve perfection, we will continue to forge ahead to provide our customers with quality steel pipe reducer fittings, GOST Reducer, reducer 1 and more perfect services. Our innovative and pursuing team will continue to use high-quality products, professional technology, and sincere services to help customers create greater profits, and use practical actions to promote the construction of the world's 3 to 2 pipe reducer industry. We promise that our company will resolutely implement the management policy of "seeking development by science and technology, and taking customer needs and satisfaction as our eternal theme". We are dedicated to delivering exceptional service and exceeding our clients' expectations. The company has always adhered to the management concept of "truthfulness and pragmatism, pioneering and innovation" to provide our customers with "high quality, high service, low price" perfect products. We provide occupation career development platform for every employee, hoping that simultaneous interpreting their essence and connotation in good corporate culture. We invest heavily in research and development to continuously improve our products and processes. We adhere to the spirit of 'pioneering and enterprising, striving for dedication, pursing excellence', provide customers with satisfactory products and services, and develop together with them.
  • Steel Concentric Reducer
    Structure: Butt-Welding connection, concentric design.
    Dimensions: Custom sizes availabl.
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  • ASME Elbow
    HAIHAO brand provides butt-welding elbows conforming to ASME B16.9, used for changing the flow direction in industrial piping systems. The product size ranges from 1/2 inch to 48 inches, with...
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  • Eccentric Weld Reducer
    Structure Type: Eccentric design.
    Wall Thickness Classes: SCH10–SCH160, XXS, GOST, DIN, etc.
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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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  • 45 Degree Steel Elbow
    It is used when a pipeline needs a softer change in direction instead of a full 90 degree turn. The table covers NPS 1/2 inch through NPS 48 inch.
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  • Din Elbow
    DIN2605 Butt-Welding Elbow
    90°/45°/180° · R=1.0D/1.5D
    DN200–600 (ø219.1–610mm)
    Wall Thickness: 3–40mm (Series 1–5)
    Pressure Factor: 62–97%
    Materials:...
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  • GOST Standard Tee
    The GOST 17376 tee is a butt-welding pipe fitting designed for branching from main pipelines in industrial systems.Manufactured in accordance with the Russian state standard GOST 17376, these tees...
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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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  • ASME Reducer
    Structure:Forged construction.
    Core Material: Carbon steel, stainless steel, alloy steel.
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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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  • Stainless Steel Reducer
    1. Brand and Origin:The brand of the product is HAIHAO and it is manufactured in China. The product meets the requirements of ASME B16. 9 GOST 17378 and DIN2616 standards.
    2....
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Ellen Gregory star star star star star
They do not blindly expand production, but expand production capacity and innovate products on the basis of ensuring product quality.
Christopher Farley star star star star star
We placed an order in the morning and it was shipped to us in the afternoon.
Charles Deer star star star star star
When we received your incoming samples, we found the workmanship to be exquisite and that you were able to keep in close communication with us. The collaboration was perfect.
Sherry Bui star star star star star
The technicians of this supplier know their product knowledge very well, and they have been patiently helping us answer the questions
Coretta Kring star star star star star
We are very fortunate to have chosen you as our supplier out of so many companies and we wish you all the best for a smooth and successful cooperation.
Deborah Grant star star star star star
Quality is the life of an enterprise. Only the product quality is good, the enterprise can always develop. If the quality is not good, no matter how much money you have, it will be difficult to grow.
Committed to building a world-class comprehensive elbow pipe connector, stainless steel street elbow enterprise led by science and technology. As one of the most professional 3 to 2 pipe reducer 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 3 to 2 pipe reducer made in China here from our factory. For price consultation, contact us.
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