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Who are the best zinc pressure die casting manufacturers in the world? Which suppliers offer the most reliable quality, advanced tooling, and precise zinc components? And how do you choose the right partner for your project? These are the key questions many buyers and engineers face.
The global zinc pressure die casting industry is driven by companies with strong engineering, high-efficiency multi-slide and hot-chamber technology, and proven experience across automotive, electronics, hardware, and industrial applications. Knowing which manufacturers lead the market helps you source better parts, reduce risks, improve performance, and secure long-term supply reliability. This article provides a clear overview of the top companies and the factors that set them apart.
In the sections below, you’ll find the top 10 zinc pressure die casting manufacturers and suppliers in the world. Explore their strengths and capabilities—and continue reading to identify the best partner for your needs.
Table of contents
Zinc pressure die casting is a high-precision manufacturing process in which molten zinc or zinc alloys are injected into a steel mold under high pressure, typically ranging from 50 to 150 MPa. This controlled process ensures rapid mold filling, minimal porosity, and excellent dimensional stability.
The process allows the production of complex geometries with thin walls and tight tolerances, making it ideal for components in automotive, electronics, hardware, and industrial applications. Compared to gravity casting, pressure die casting improves surface finish, reduces internal defects, and enables mass production with consistent quality.
The zinc high pressure die casting process consists of several controlled stages. First, zinc alloy is melted in a holding furnace at a temperature typically between 380°C and 450°C, depending on the specific alloy. The molten metal is then injected into a preheated steel die using a high-pressure plunger system.
During injection, high pressure ensures complete filling of the die cavity and rapid solidification, minimizing porosity and shrinkage. Once the casting solidifies, the die opens and the component is ejected for trimming, surface treatment, or further machining. Process parameters, including injection speed, plunger pressure, die temperature, and cooling rate, are closely monitored to achieve consistent mechanical properties and dimensional accuracy.
Zinc die casting commonly uses high-purity zinc and zinc alloys optimized for mechanical strength, corrosion resistance, and fluidity. The two most widely used families of alloys are ZAMAK and ZA alloys. ZAMAK alloys consist primarily of zinc with small additions of aluminum, magnesium, and copper, offering excellent castability and dimensional stability.
ZAMAK die casting refers to the use of standardized zinc-aluminum alloys, typically with 3–5% aluminum content, for high-precision pressure die casting. The alloys provide high hardness, good tensile strength, and superior corrosion resistance, making them suitable for automotive hardware, electronic housings, and precision components.
ZAMAK 3 is the most widely used zinc die casting alloy, containing approximately 96% zinc, 4% aluminum, and trace amounts of copper and magnesium. It combines excellent fluidity, dimensional stability, and mechanical strength, making it ideal for thin-walled and complex geometries. Its predictable shrinkage and low porosity facilitate secondary operations such as machining, plating, or coating.
ZAMAK 5 differs from ZAMAK 3 primarily by its higher copper content (approximately 1%), which increases tensile strength and hardness while maintaining good ductility. It is used for components requiring higher mechanical performance, such as lock components, automotive structural parts, and precision fittings. Like ZAMAK 3, it offers excellent castability and surface finish.

Zinc die casting machines are designed to control high-pressure injection with precise regulation of plunger speed, injection pressure, die clamping force, and cycle timing. A typical system includes a melting furnace, injection unit, high-strength clamping system, and a steel die capable of withstanding repeated thermal cycling.
Modern machines often feature programmable controls to optimize process parameters for different alloys and component geometries. Auxiliary equipment, such as automated die cooling, part ejection systems, and secondary handling units, ensures high throughput while maintaining casting quality and dimensional consistency.
| Brand | Address | Main Products |
|---|---|---|
| 1. PHB Corp. | Fairview, PA, USA | Zinc die cast parts; Aluminum die cast parts; Tooling; CNC machining; Engineering |
| 2. Cast Products Inc. | Norridge, IL, USA | Zinc die cast parts; Multi-slide die casting; Tooling; Machining; Finishing |
| 3. Deco Products | Decorah, IA, USA | Zinc die cast parts; Tooling; CNC machining; Coated parts; Assembly |
| 4. Dynacast | Charlotte, NC, USA | Zinc die cast parts; Miniature castings; Tooling; Aluminum castings; Finishing |
| 5. Production Castings | Fenton, MO, USA | Zinc castings; Aluminum castings; Tooling; CNC machining; Finishing |
| 6. Pace Industries | Detroit, MI, USA | Zinc castings; Aluminum castings; Magnesium castings; Tooling; Machining |
| 7. Xometry | North Bethesda, MD, USA | CNC machining; 3D printing; Fabrication; Injection molding; Metal production |
| 8. SDC Incorporated | Sullivan, MO, USA | Zinc castings; Aluminum castings; Four-slide casting; Tooling; Machining |
| 9. Soldy Manufacturing | Schiller Park, IL, USA | Zinc castings; Aluminum castings; Tooling; CNC machining; Finishing |
| 10. Innovaw | Ningbo, China | Aluminum castings; Zinc castings; CNC machining; Tooling; Finished metal parts |
Introduction:
PHB Corp. is a globally recognized zinc pressure die casting manufacturer offering fully integrated production capabilities. As a long-standing supplier for OEMs across automotive, aerospace, electronics, and industrial markets, the company provides high-precision zinc die cast components supported by in-house engineering, mold design, CNC machining, and turnkey manufacturing services. With extensive experience in ZAMAK and ZA alloys, PHB helps buyers develop reliable, custom-engineered zinc cast parts that meet strict performance and quality requirements.
Established: 1906 (Incorporated as PHB in 1984)
Address: 7900 West Ridge Rd., Fairview, PA 16415, USA
Main Products:
Introduction:
Cast Products Inc. delivers high-volume, precision die-cast components with a strong foundation in zinc pressure die casting, utilizing multi-slide and conventional high-pressure processes with alloys such as ZAMAK 2, 3, 5, and ZA-8. Its integrated engineering, in-house tooling, and controlled manufacturing approach reflect the standards commonly expected of a capable aluminium die casting manufacturer and aluminium die casting supplier, particularly in terms of accuracy, repeatability, and production efficiency. Serving automotive, electronics, consumer, and industrial markets, the company is valued by OEMs seeking reliable domestic die-casting partners and consistent long-term performance.
Established: 1966
Address: 4200 N. Nordica, Norridge, IL 60706, USA
Main Products:
Introduction:
Deco Products is the largest stand-alone dedicated zinc die casting manufacturer in North America. The company specializes in high-pressure hot-chamber zinc die casting and provides precision components for customers worldwide. With over 100 die casting machines, in-house engineering, tooling, machining, powder coating, plating, and assembly capabilities, Deco delivers consistent quality, tight tolerances, and reliable high-volume production.
As a full-service zinc die casting supplier, Deco Products supports diverse industries—including hardware, automotive, window and door, electrical, HVAC, and industrial equipment—offering cost-effective and durable zinc solutions backed by ISO 9001:2015-certified quality systems.
Established: 1960
Address: 506 Sanford St., Decorah, IA 52101, USA
Main Products:
Introduction:
Dynacast is widely recognized for its precision die casting capabilities across zinc, aluminum, and magnesium, supporting demanding applications that require tight tolerances and consistent high-volume output. Known for its proprietary multi-slide process, the company applies advanced automation and engineering expertise that also reflect the standards of a leading aluminium die casting manufacturer and aluminium die casting supplier, particularly in design-for-manufacturability and process control. Operating a global manufacturing network and serving industries such as automotive, electronics, medical, and industrial systems, Dynacast delivers reliable, precision-focused die-cast solutions for OEMs seeking scalable production and technical depth.
Established: 1936 (Dynacast brand consolidation in 1987)
Address: Charlotte, North Carolina, USA
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Introduction:
Production Castings Inc. is a U.S.-based die casting company focused on producing precision zinc and aluminum components for customers that demand accuracy, repeatability, and dependable volume production. Equipped with both hot- and cold-chamber machines, the company operates with the technical depth expected of an experienced aluminium die casting manufacturer and aluminium die casting supplier, supported by in-house die design, engineering, and tooling. Its vertically integrated capabilities—ranging from CNC machining and surface finishing to assembly—enable consistent quality across automotive, industrial, and consumer applications, reinforcing PCI’s reputation as a reliable long-term manufacturing partner.
Established: 1976
Address: 1410 West Lark Industrial Park, Fenton, MO 63026, USA
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Introduction:
Pace Industries is recognized as a leading full-service die casting company in North America, producing aluminum, zinc, and magnesium components at scale for a broad range of industrial and commercial applications. With an extensive manufacturing footprint and deep engineering resources, the company operates at the level expected of a major aluminium die casting manufacturer and aluminium die casting supplier, offering integrated support from design and tooling through casting, machining, finishing, and assembly. Serving markets such as automotive, aerospace, appliances, medical, and consumer products, Pace Industries delivers both structural and precision die-cast solutions backed by strong program management and consistent production performance.
Established: 1970
Address: Detroit, Michigan, USA
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Introduction:
Xometry is a leading global on-demand manufacturing platform that provides fast and scalable production capabilities through its AI-driven Instant Quoting Engine and extensive network of certified suppliers. The platform supports projects ranging from prototyping to high-volume production across CNC machining, 3D printing, sheet and tube fabrication, injection molding, and high-volume metal manufacturing.
Established: 2013
Address: 6116 Executive Blvd, Suite 800, North Bethesda, MD 20852, USA
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Introduction:
SDC Incorporated is a long-established U.S. die casting manufacturer specializing in precision zinc and aluminum die cast components. Originally founded in the early 1960s as Scotch Diecasting Company, SDC has grown into a modern production facility offering zinc die casting, aluminum die casting, four-slide zinc casting, machining, tooling, and secondary operations. Equipped with Frech automated zinc machines and Dynacast multi-slide systems, SDC produces high-precision components with tight tolerances and fine detail, supporting industries such as automotive, aerospace, appliances, electronics, hardware, and defense.
Established: Early 1960s (Re-incorporated as SDC Inc. in 1976)
Address: PO Box 575, 945 Franklin St, Sullivan, MO 63080, USA
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Introduction:
Soldy Manufacturing is a U.S.-based aluminum and zinc die casting company established in 1982. With decades of experience, Soldy specializes in precision zinc and aluminum alloy die cast parts for industries including automotive, electronics, lighting, industrial equipment, and consumer products. Their facilities include high-precision Techmire zinc machines, advanced aluminum die casting cells, in-house tool design and construction, and comprehensive secondary operations such as machining, heat treating, blasting, plating, and powder coating. Soldy is ISO 9001:2015 certified and known for delivering tight-tolerance components with high efficiency and competitive pricing.
Established: 1982
Address: 9370 Byron Street, Schiller Park, IL 60176, USA
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Introduction:
Innovaw is a professional manufacturer specializing in aluminum and zinc die casting, CNC machining, and integrated metal component solutions. Established in 1998, the company has grown into a trusted global supplier serving automotive, energy, marine, lighting, telecommunications, and medical industries. With fully equipped foundry and machining facilities, Innovaw provides end-to-end support including DFM analysis, tooling design, die casting, machining, and surface finishing.
Backed by certifications such as IATF 16949, ISO 14001, ISO 45001, and Lloyd’s Register approval, Innovaw ensures stable quality, reliable delivery, and strong engineering capabilities. With 580+ employees and exports to 40+ countries, the company has completed over 3,000 projects and continues to be a dependable partner for global OEMs and industrial customers.
Established: 1998
Address: 904-905, China-base Building, No.666 Tiantong South Road, Ningbo 315100, China
Main Products:
Zinc die casting is widely used for manufacturing components that require tight dimensional tolerances, complex geometries, and consistent surface quality. The high fluidity of molten zinc alloys enables the production of thin-walled parts with fine details that are difficult to achieve using other metal casting processes.
Typical zinc die casting products include automotive hardware, door and window mechanisms, locking systems, brackets, and structural connectors. In the electronics and electrical industries, zinc die cast parts are commonly used for housings, enclosures, connectors, and heat dissipation components. Zinc die casting is also applied in consumer products, industrial equipment, and precision hardware where repeatability and surface finish are critical.
Due to the low melting temperature and good mechanical properties of zinc alloys, zinc die cast components are suitable for secondary operations such as machining, electroplating, painting, and powder coating. This flexibility allows manufacturers to meet functional, aesthetic, and corrosion resistance requirements across a wide range of applications.
China has established a comprehensive zinc die casting industry supported by large-scale zinc production, mature supply chains, and advanced manufacturing infrastructure. Chinese zinc die casting manufacturers serve both domestic and international markets, particularly in automotive, electronics, hardware, and industrial sectors.
Many zinc die casting companies in China operate integrated production facilities that include mold design and manufacturing, pressure die casting, surface treatment, and machining. This integrated approach enables efficient cost control, scalable production capacity, and stable quality performance.
In recent years, Chinese manufacturers have increasingly invested in automated die casting machines, process monitoring systems, and international quality management standards. As a result, China has become one of the leading global suppliers of zinc pressure die cast components, offering competitive lead times and consistent product quality.
Selecting a zinc die casting manufacturer or supplier requires careful evaluation of technical capability, quality management, and production experience. Key factors include the manufacturer’s expertise in zinc pressure die casting processes, alloy selection, and die design, as these directly affect dimensional accuracy and mechanical performance.
A qualified supplier should have appropriate die casting equipment, stable process control, and the ability to manage critical parameters such as injection pressure, die temperature, and cycle time. In-house capabilities for mold manufacturing, surface treatment, and inspection can further improve consistency and delivery reliability.
Buyers should also assess quality certifications, production capacity, and experience with similar applications or industries. Clear technical communication, engineering support, and long-term cooperation are essential for ensuring stable supply and consistent zinc die casting quality.
Q: What is the typical lead time for zinc pressure die casting parts?
A: Lead times depend on tooling complexity, part design, and order volume. Tooling development may take several weeks, while production runs are often completed in a few weeks once molds are approved.
Q: Do zinc pressure die casting manufacturers provide prototypes or samples?
A: Yes, most manufacturers offer sample parts or pilot runs to verify design, tolerances, and surface quality before full-scale production. Sample costs may apply and are sometimes credited toward larger orders.
Q: Which zinc alloys are commonly used in pressure die casting?
A: Common alloys include ZAMAK 2, 3, and 5, as well as ZA-series alloys, selected based on strength requirements, dimensional stability, and application needs.
The global zinc pressure die casting industry is driven by manufacturers that combine advanced engineering, precision tooling, and high-volume production capabilities. Leading companies such as PHB Corp., Cast Products Inc., Dynacast, Deco Products, and Pace Industries have established strong reputations for producing high-quality zinc components used across automotive, aerospace, electronics, industrial hardware, and consumer products. These top suppliers stand out for their technical expertise, multi-slide and hot-chamber die casting technologies, robust quality systems, and ability to deliver reliable, repeatable, and cost-effective parts to OEMs worldwide.
Amid these industry leaders, Innovaw has emerged as a strong global competitor by offering integrated aluminum and zinc die casting, CNC machining, and tooling solutions. With modern facilities, international certifications, and extensive engineering capabilities, Innovaw provides high-precision components for diverse sectors while maintaining competitive pricing and strong project support. As companies seek dependable partners that can deliver both quality and scalability, Innovaw continues to gain recognition as a trusted supplier within the global die casting market.