1.Execution Standard: GOST 17378
2.Type/Model: Concentric、Eccentric
3.Specification: φ21.3mm-1016mm
4.Connection Type: BW
On the basis of our achievements, our company has made unremitting efforts to strengthen quality, design, construction and operation with scientific and rigorous management, and has won the unanimous praise of the GOST Reducer, 4 x 3 eccentric reducer, tube reducer industry. Our GOST Reducer enjoys a high reputation because it is constantly improved with our continuous technological innovation. We are constantly seeking new and innovative ways to add value to our clients' businesses, and are dedicated to helping them achieve their goals. We work closely with our clients to ensure timely and cost-effective delivery. Our expertise in navigating complex trade regulations enables us to deliver products and services seamlessly across borders. Striving for perfection, perseverance, and pursuit of excellence are always our perseverance from the heart. The company will strive to build a listed company with a complete system, leading technology, efficient operation, scientific management and good returns.
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![Steel Pipe Cap]()
Steel Pipe Cap1.Brand and origin:HAIHAO,made in China,strictly conforming to ASME B16.9 GOST 17379 DIN 2617.read more
2.Surface treatment:bare surface,painting,anti-rust oil,anti-corrosion coating,hot-dip... -
![Eccentric Weld Reducer]()
Eccentric Weld ReducerStructure Type: Eccentric design.read more
Wall Thickness Classes: SCH10–SCH160, XXS, GOST, DIN, etc. -
![Steel Concentric Reducer]()
Steel Concentric ReducerStructure: Butt-Welding connection, concentric design.read more
Dimensions: Custom sizes availabl. -
![ASME Tee]()
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![Steel Tee]()
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![Butt Weld Tee]()
Butt Weld TeeA butt weld tee is available from NPS 1/2 to NPS 48 across multiple wall-thickness series.read more
Its weld ends allow the branch fitting to join directly into a fabricated piping system. -
![GOST Standard Tee]()
GOST Standard TeeThe 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...read more -
![Stainless Steel Tee]()
Stainless Steel TeeHAIHAO 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...read more -
![ASME Reducer]()
ASME ReducerStructure：Forged construction.read more
Core Material: Carbon steel, stainless steel, alloy steel. -
![Din Reducer]()
Din Reducer1.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....read more -
![Stainless Steel Reducer]()
Stainless Steel Reducer1. 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.read more
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Rachel Page
In recent years, you have developed very rapidly and can find your own position.
Steven Davis
Our company is very satisfied with the seller's service and products. They not only deliver fast, but also pack very carefully without any leakage or pollution, so the shopping experience is very
Jesus Spencer
The appearance design of the product is beautiful, the noise is small, and the operation is simple.
Carolyn Mowbray
The per capita income of our employees changes with the development of the enterprise, giving the majority of employees a greater sense of gain and belonging.
Henry Griffith
The company has been great at meeting all our product needs in a timely manner without losing patience!
Antonia Nichols
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
Our technicians concentrate on research and innovation, and several new series of 2 inch stainless steel 90 degree elbow, bs flanges, butt weld end cap are put on the market every year. As one of the most professional gost 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 gost reducer made in China here from our factory. For price consultation, contact us.