

of Casting, Forging,Machining ,
Sheet metal fabrication parts
work with our team to make your idea to life


Welding materials: Aluminum,Carbon steel, Stainless steel


One-stop solution
High quality
Fast delivery
Excellent service
Who We Are
Siyuan Machinery is one-stop OEM solution service with 15 years experience. We offer capabilities of casting&forging, CNC Machining, Sheet metal fabrication,assembly
We have a diverse in-house team of engineers and project managers who provide turn-key, customer-focused solutions. we are committed to delivering accurately, on time, and cost-effective to ensure an excellent and successful projects .
With state of the art facilities,Engineers design , QC staff, thousands of Project management experience, we could produce complex, high precision, custom metal components and Provide the assemble service very well. we are an enthusiastic and high-efficiency team.
Our OEM parts include but not limited Vehicle, railways, Construction, Mining machinery and wind power,pipe fittings ,furniture hardware etc.



Our Services

At Siyuan foundry, we adopt many alternative casting processes, investment casting,sand casting,shell mold casitng, lost foam casting,die casting and vacuum casting
Once our team evaluate custom casting parts or projects drawings, our team are capable to make cost-effective and high quality solution for your projects.
More than 100 kinds of metal and alloys are cast at our foundry , from Gray cast iron, ductile casting iron, carbon steel alloy steel, stainless steel to aluminum casting and brass casting etc.

We can handle 3,4, and 5 axis CNC milling, CNC turning, turning-milling compound and other manufacturing services for both prototype and mass production.the tolerance can reach to ±0.002mm. Our extensive facilities include multiple production lines for Casting, CNC machining, forging,sheet metal stamping, and comprehensive surface treatments, enabling us to meet diverse client needs and large-scale orders with precision and reliability.

We have a multitude of metalworks to offer; from laser cutting, plasma cutting, bending, punching to stamping and welding.
We past the EN15085 certificate ,our workers own IWE and NTD certificate. our sheet meal fabirication parts inculde mining machinery,special vehicle parts, and wind power,High speed railway etc.
Quality Assurance
Our most valuable human resource consists of 10 senior management,15 professional engineering staff and over 60 technician.

Expert Technical Support
SIYUAN Machinery offers proficient technical assistance round the clock, backed by a proficient team of skilled engineers and technicians.

Rigorous Quality Control
Our manufacturing process adheres to astringent quality control system that guarantees exceptional prototypes and production parts.

Quality Assurance
We utilize advanced manufacturing processes, rigorous quality management systems and adhere to international industry standards to ensure that our clients' products are of high standard, high precision and durable.
Work With Numerous Industries
From Prototyping To Production, SIYUAN Machinery Dedicated To Delivering Superior Quality And Reliable Functionality. Our Extensive Range Of Production-Grade Metal Combined With Highly Advanced On-Demand Manufacturing Techniques, Enable Us To Offer High-Quality Products Across Several Industries.

Constuction machinery parts
Cuastomized construction parts, usaully involved in pricision casting, Forging and Machining with strict tolerance.

Rail Train or Locomotive
Our comprehensive process enble us to provide the rail way parts , like railway door parts, slotted nut, some parts need casting +machining+sheet metal process, then assemble.

Agricultural
We could produce precise big Agricutural euqipment and parts, like the tractors parts harvester parts, and small forging parts with precision CNC machining process.

Mining Machinery
The castings parts require sufficient strength and hardness, and the structure should be strong, durable, and have a long life, custom mining machinery parts include wheels, crushers, Transmission system, hydraulic system etc.

Wind powder
A wind turbine turns wind energy into electricity using the aerodynamic force from the rotor blades, which work like an airplane wing or helicopter rotor blade. .

Vehicle parts
our Customized vehicle parts are produced by Casitng, welding, sheet metal fabrication ,like Our suction-type sewer scavenger,comerical vehicle, commerical vehicle parts, heavy duty truck & tralier parts
Why Choose Us
SIYUAN Machinery owns and effectively operates modern and leading equipment: High-speed Processing Center, EDM Machine Center, Wire Cut Machine Center, Machines Fitting, Tool Trials Injection Molding Machine etc.

High Quality Products
We regard quality as the top priority in our work. Our company is equipped with perfect quality inspection system, inspection equipment and inspectors.

Rich Experience
Our factory has more than 15 years of industry experience and has manufactured a large variety of molds and products.

Mature Technical Team
Our technical team is experienced and professional to offer you the best experience.

Competitive price
Professional makes us keep the price advantage in the same industry, reduce unnecessary loss and waste, and save the cost as much as possible under the premise of guaranteeing quality and delivery.

Effective Supply Chain
We have experienced industrial and supply chain engineers to optimize processes and to ensure we are lean and on time.

Quick Response
We have one-on-one service, dedicated docking, whether it is quotation, or technical communication can be a quick response.