ISO 9001 Certified | Factory Direct | 12-Hour Response
Precision Investment Casting Foundry

Your Trusted Partner for
Precision Cast Components

Custom stainless steel, duplex steel and alloy steel castings for automotive, aerospace, fluid equipment and general machinery industries.

CNC Machining & Finishing

From Wax Pattern to
Finished Machined Parts

Complete in-house production chain: investment casting, CNC machining, surface treatment and full quality inspection.

Quality Inspection Laboratory

Precision You Can
Measure & Trust

CMM dimensional inspection, chemical composition analysis, mechanical property testing and NDT for every batch.

Finished Cast Components

Custom Parts for
Global Industrial Clients

Valves, pumps, automotive, aerospace, fluid equipment and general machinery components delivered worldwide.

Stainless Steel Rotary Valves

Precision Rotary Valves
For Industrial Processing

304/316 stainless steel rotary airlock valve bodies with precision machined flange faces and bores, custom manufactured to your drawings for bulk material handling systems.

Copper Alloy Castings

Premium Copper Alloy
Components & Parts

Bronze, brass and aluminum bronze castings for pumps, valves, bearings and marine applications with excellent corrosion resistance, wear resistance and high strength.

Three Reasons to Choose Huayong

We deliver precision cast components with uncompromising quality and reliability.

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Premium Quality

Strict quality control throughout the entire casting process, from raw material inspection to final dimensional verification.

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Certified Foundry

ISO 9001 certified facility with full material traceability, chemical composition testing and mechanical property reports.

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Custom Solutions

OEM and ODM capabilities, accepting drawings, samples or 3D models. Flexible production from prototype to mass production.

Precision Cast Parts We Manufacture

Wide range of custom investment casting components for diverse industrial applications.

Stainless Steel Stainless Steel Valve and Pump Investment Castings

Valve & Pump Castings

SS304SS316LCF8M

Valve bodies, bonnets, impellers, pump housings and fluid handling components for corrosion-resistant service.

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Duplex Steel Duplex Steel 2205 2507 Investment Castings

Duplex Steel Castings

22052507CD4MCu

High-strength, corrosion-resistant duplex steel castings for marine, chemical and offshore applications.

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Alloy Steel Alloy Steel Automotive Investment Castings

Automotive Castings

Alloy SteelCarbon Steel42CrMo

Auto structural parts, turbo housings, brackets and hardware with tight tolerance and high strength.

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Heat Resistant Heat Resistant Alloy Investment Castings

Heat-Resistant Castings

HK40HH310S

Heat-resistant alloy castings for furnace parts, heat treatment fixtures and high-temperature applications.

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Precision casting CNC machining facility
15+
Industry Experience

Factory-Direct Precision Casting Solutions

With years of experience in investment casting, we provide end-to-end solutions from design support to finished components.

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Self-Owned Foundry

Complete in-house production from wax injection to CNC machining, ensuring quality and cost control.

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Engineering Support

Professional team provides design for manufacturability feedback before production starts.

Fast Lead Time

Sample delivery in 15-25 days, mass production in 25-40 days with reliable scheduling.

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Export Experience

Serving clients across Europe, North America and Middle East with full export documentation.

What Our Customers Say

Trusted by industrial buyers worldwide for quality and reliability.

★★★★★

"Huayong has been our reliable casting supplier for over 3 years. Their quality consistency and on-time delivery are exceptional. The engineering team always provides valuable suggestions for design optimization."

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Markus Weber

Procurement Manager, Germany

★★★★★

"We source duplex steel 2205 valve castings from Huayong. The material certification and dimensional reports are always complete and accurate. Their 12-hour response time makes communication very efficient."

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James Anderson

Engineering Director, USA

★★★★★

"Excellent foundry for custom automotive cast components. From prototype to mass production, the quality has been consistently high. Competitive factory pricing and professional service team."

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Ahmed Al-Rashid

Operations Manager, UAE

★★★★★

"We have been purchasing stainless steel pump castings from Huayong for our European distribution network. The surface finish and dimensional accuracy are outstanding, and every batch comes with complete material certificates. Highly recommended foundry."

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Sophie Martin

Sales Director, France

★★★★★

"Huayong supplied us with complex aerospace-grade investment castings in 17-4PH stainless steel. The X-ray inspection reports and mechanical test results exceeded our expectations. Their engineering support during the prototype phase was invaluable."

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David Thompson

Technical Manager, UK

★★★★★

"We order heat-resistant alloy castings for our furnace equipment in the Middle East. HK40 and HH grade castings have proven to be extremely durable in high-temperature operations. Huayong's quality control is among the best we have encountered."

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Khalid Al-Farsi

Plant Manager, Saudi Arabia

★★★★★

"Copper alloy bronze castings from Huayong are used in our marine pump manufacturing. The C95800 nickel aluminum bronze impellers show excellent corrosion resistance in seawater applications. Fast delivery and consistent quality make them our preferred supplier."

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Robert Chen

Production Manager, Canada

★★★★★

"We source duplex steel 2205 valve bodies for our chemical processing plants in Australia. Huayong's castings pass all our NDT inspections including dye penetrant and ultrasonic testing. Their competitive pricing and reliable lead times give us a real advantage."

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Liam Walker

Procurement Director, Australia

★★★★★

"Custom mechanical components in alloy steel from Huayong have been integrated into our industrial machinery for over two years. The CNC machining precision and surface treatment quality are excellent. Their team understands complex drawings and delivers exactly what we need."

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Giuseppe Rossi

Engineering Manager, Italy

★★★★★

"We have been sourcing duplex stainless steel valve castings from Huayong for our oil and gas projects in Northern Europe. The 2205 and 2507 grade castings consistently pass our stringent corrosion testing. Their responsive communication and on-time delivery make them a trusted long-term partner."

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Peter van Dijk

Supply Chain Manager, Netherlands

Request Your Custom Quotation

Send us your drawing or specification, our engineering team will respond within 12 hours.

Free quotation within 12 working hours
Accept drawings, samples and 3D models
12 HOURS

12-Hour Response Guarantee

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Send Your Inquiry

Fill in the form below and we will get back to you shortly.

💡 You can also email drawings directly to huayongmetal@gmail.com

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