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Weizi Yuyuan Mechanical Factory

Welcome To Our Company

Weizi Yuyuan Mechanical Factory

We are a reputable iron casting foundry based in Changyi, China, specializing in all kinds of iron materials using traditional sand casting and shell mold (sand shell) casting processes.

Our annual production capacity is approximately 5,000 tons, supported by both automated production lines and manual pouring furnaces. This allows us to efficiently handle sample making, small batch production, and large quantity orders.

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Choosing the appropriate pump spares ...

Feb 24 2026 Read More
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Most facilities have industrial pumps, which are important equipment. They transport water and chemicals on a day-to-...

Feb 24 2026 Read More
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In oil and gas, valves don’t just regulate flow. They protect assets and ensure uptime. Every production line, ...

Feb 19 2026 Read More

What our happy Client Say About Us

Our Testimonials

High-Quality, Low-Cost Metal Casting Parts by Yu Yuan Casting

Weizi Yuyuan Mechanical Factory can sort out your problems regarding metal parts production. Every industry that wants to source low-cost metal parts can reach us. We have services for the marine, automotive, pharmaceutical, chemical, food, beverage, oil, and gas industries. All these industries can place orders for die-cast metal components here. We offer affordable service to global buyers. 

• Budget-friendly price range

• Bulk supply worldwide

• MOQ flexibility

• Customer support

• Convenient quotation

What Does Our Die-Casting Facility Offer?

Our production capacity can meet your requirements regarding the type of parts you want. We can manufacture lots of die-cast metal parts in different shapes and sizes. All you have to do is share your requirements, and we will turn them into reality. Here are some examples of what we manufacture here.

Valve Spare Parts

We manufacture valve spare parts for all kinds of piping systems. These parts will comply with water and gas pressure requirements. Even the temperature will not be able to cause any challenge to our thick valve spare parts. Their metal density can withstand various challenges and offer smooth flow.

Pump Spare Parts

Our pump spare parts are compatible with your water treatment, sewage, and chemical pumps. The centrifugal pumps need these spare parts to show durable performance. The water and chemical pressure will get compatible support from our pump spare parts. The flow rate will be safe, and the parts will last longer. 

Pipe Fittings

Never run out of die-cast metal pipe fittings again. We have elbows, tees, crosses, pipe nipples, couplings, and a lot more. These pipe fittings will keep the liquid and gas flow active for continuous operations. We make them compatible through high metal density against high and medium pressure. 

Iron Pulleys

Elevators, cranes, garage doors, and industrial lifting systems need our iron pulleys. We have bulk production for all industrial users, commercial users, and retailers. They will provide smooth and safe movement through high load-bearing capacity. Also, we make slip-resistant grooves in all iron pulleys for safe outputs.

Wheel Hubs

We also manufacture wheel hubs that safely mount on axles for smooth movements. These provide rotation that will maintain balance and stability. We have die-cast production for lawn mower wheel hubs. Machine manufacturers can outsource bulk wheel hubs to us for cost-effective supply. 

Exhaust Pipes

Automobiles need our die-cast exhaust pipes for better exhaust system performance. These exhaust pipes will provide stability to engines for smooth emissions. Also, there will be no suffocation for engines. The metal we use makes them heavy-duty exhaust pipes against heat and chemical impacts

Compatible Die-Casted Parts with Consistent Size and Density

They are easy to install, repair, and replace. It shows their high compatibility that we provide through size uniformity. We can supply different sizes, dimensions, and surface works depending on your requirements. You can share the requirements for cavity and wall thickness of parts.

High Durability Against High Pressure, Temperature, and Corrosion

We offer cost-effective production and better metal quality. Every die-cast part we manufacture resists low and medium levels of corrosion. Also, each part can withstand the  pressure and temperature of low and medium levels. That is the durability level we offer to every customer.