SYI Pipeline Corporation

SYI Group > SYI Pipeline Corporation
China Ductile Iron Pipe Fitting Manufacturer

SYI Pipeline Corporation (a Proud Member of SYI Group) - manufactures a full range of Pipeline products and accessories like Pipes, Fittings, Valves, Universal Couplings. Flanged Adaptors, Quick Adaptors, Dismantling Joints, Clamps, Fire Hydrants, and etc.

Ductile Iron Pipes

SYI Pipeline Corporation has an annual supply capacity of 150,000 tons, and it is still developing all the time.

– According to ISO 2531, EN545, EN598 and other major standars.

– Class:K7, K8, K9-K12&C20, C25, C30, C40-C100;

– Cement mortar lining are applied according to ISO 4179;

– Zinc coating are applied according to ISO 8179-1;

– Different alternative coating according to request.


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Ductile Iron Pipe Fittings

SYI manufactures a full range of Ductile Iron Pipe Fittings according to ISO 2531, EN545, EN598, EN 12842, GB 13295, ANSI/AWWA C110, C153, and other major standards.
– Flanged pipe fittings
– Push-in socket pipe fittings (Tyton)
– Mechanical Joint socket pipe fittings (MJ)
– Express Joint socket pipe fittings (EX)
– Fittings for PVC pipes
– AWWA C110 Flanged Fittings
– AWWA C153 MJ Fittings
– Other Pipeline Accessories

Couplings & Flanged Adaptors

SYI designs and manufactures complete series of Couplings and Flanged adaptors according to EN14525, ANSI/AWWAC219 and other major standards.
– Universal Couplings
– Universal Flanged Adaptors
– Straight Couplings
– Straight Flanged Adaptors
– Large Range Couplings
– Quick Adaptors
– Dismantling Joints
– Clamps
– Step Couplings & Adaptors, Gibault and More


SYI designs and manufactures complete series of Valves according to DIN/BS / EN / API / ANSI / AWWA / ASME / Russian and other major standards.
–  Gate Valves
–  Butterfly Valves
–  Check Valves
–  Y-Strainers
–  Air Release Valves
–  Globe Valves
–  Fire Hydrants

Fire Hydrants

Pillar Type and Underground Fire Hydrants according to AWWAC502 and BS750.

* Since 2009, SYI Pipeline developed from selling only simple pipes and fittings to a professional project solution provider, including the one stop service and solution from pipes, fittings, couplings & flanged adaptors, valves, fire hydrants, to water meters and accessories.

* SYI Pipeline has an annual supply capability of 200,000 tons, and it is still developing all the time.

* Along with products themselves, SYI Pipeline also helps customers with products instructions and the guide of installation.

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SYI regards quality as an essential and integral part of our business success. Until now, we are ISO9001:2008 TUV certified, BSI Kitemarked, SGS certified, UL listed, FM certified, NF certified and CE certified. Manufacturing “SYI” Brand products has evolved as a mark of quality!

SYI Group- A China Ductile Iron Pipe Fitting Manufacturer with High Principles

Pipes and their components must be of top-grade metals. That high quality of production is available here. Shanxi Yuansheng Casting & Forging Industrial Co., Ltd. is a top manufacturer without any doubt. We are a flanged pipe fitting manufacturer too.

Our ductile iron pipes can last underground for a long time. They can show a powerful impact for many years. Various coatings on magnificent metals ensure the success of ductile iron pipe production. These coatings play a crucial role. 

Efficient and Operative Valves for Accurate Flow

We manufacture metal valves that can bear the high pressure of liquid and gas. We are also a butterfly valves dealer with other types of valves and also manhole steps. You can purchase them from us for efficient flow in the piping system. The precise control you will get is unmatchable. Both gas and liquid flow will face no interruption at all.

High-Pressure Fire Hydrants for Fire Extinguishing Systems

You can purchase fire hydrants from us that have high pressure for instant use. Wherever you install them, they will last for many years. This is the durability we promise to our clients. Likewise, you can find similar piping components at SYI Group. We are a flanged pipe fitting manufacturer that focuses on the efficient flow of liquid and gas.

We Also Manufacture Ductile Iron Pipes, Fittings, Coupling, etc

If you explore more, you will find many products on our website. You will find couplings, fittings, ductile iron pipes, and more. Whether it is potable water or sewerage system, our pipes and components suit both. You can get these products from SYI Group, a flange adapter manufacturer. Flux level of liquid and gas will be high and manageable.

SYI Group Offers Competitive Prices Globally

The prices are according to the affordability of buyers. We are a wholesaler who captures large markets with low prices. We deal in bulk, and our prices go accordingly.  That is why we are a gate valve supplier who offers low prices. Our international supply goes everywhere. We maintain economical prices for low-MOQ buyers.

How Do We Succeed in the Industry?

Shanxi Yuansheng Casting & Forging Industrial Co., Ltd. has covered an extensive journey. We have been dealing in iron pipes and components for many years. Therefore, we are a flange adapter manufacturer. We comply with international standards and methods.  We work with various standards like EN545, EN 12842, GB 13295, AWWAC502, ISO 2531, and EN598. We employ forging, casting, and other methods to provide you with OEM services.