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Premium Lock Components
Engineered for Security

Junying Metal Manufacturing – a trusted lock accessory factory with decades of expertise in producing high-quality lock cylinders, cores, cam locks, SFIC systems, and precision-machined parts. Global supplier with CNC, die casting, and metal stamping capabilities.

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About Junying Metal

Junying Metal Manufacturing Co., Limited is a leading lock accessory factory in China with over decades of experience in producing high-quality lock components. We specialize in manufacturing lock cylinders, cores, keys, cam lock parts, door lock components, plunger locks, SFIC systems, cabinet locks, and drawer locks — all with competitive pricing and superior quality.

Our services include precision zinc and aluminum die casting, CNC machining, metal stamping, surface finishing, and full assembly. We serve clients across the U.S., Europe, and beyond, with applications in electronics, defense, medical, communications, and marine industries.

PMI Material Verification
Global Export Ready
Advanced Quality Testing
One-Stop Manufacturing
Factory and Lock Components

Quality You Can Trust

We use advanced equipment including salt spray testers, optical emission spectrometers, smartscopes, and surfometers to ensure every component meets strict international standards. Junying is one of the few Chinese manufacturers offering Positive Material Identification (PMI) for raw materials — guaranteeing you receive exactly what you ordered.

Durability Tested

Salt spray and abrasion resistance testing ensure long-term performance.

Precision Verified

SmartScope and spectrometer analysis for dimensional and material accuracy.

Industrial Grade

Components used in defense, medical, and marine environments.

Our Hot Products

Explore our best-selling lock components — precision-engineered for reliability, security, and seamless integration across industries.

Euro Cylinder

Euro Cylinder

High-security cylinder with anti-bump and anti-pick design. Ideal for uPVC and composite doors.

Material: Brass
Process: CNC Machining
LFIC Core Machining

LFIC Core Machining

Small Format Interchangeable Core with precise machining for multi-lock systems.

Material: Brass
Process: CNC Machining
IC Cylinder Sleeve

IC Cylinder Sleeve

C3604 Brass sleeve for IC cores. Precision CNC machined for tight tolerances.

Material: C3604 Brass
Process: CNC Machining
IC Core Plug

IC Core Plug

Internal plug for interchangeable cores. Smooth key insertion and rotation.

Material: C3604 Brass
Finish: Polished
Key-in-Knob Cylinder

Key-in-Knob Cylinder

Compact cylinder design for door knobs. Ideal for residential and light commercial use.

Material: Brass
Process: CNC Machining
IC Core Housing

IC Core Housing

Outer housing for IC cores. Durable brass construction with corrosion-resistant finish.

Material: C3604 Brass
Process: CNC Machining
Cabinet Lock Cores

Cabinet Lock Cores

Compact cam lock cores for cabinets, desks, and enclosures. Multiple keying options.

Material: Brass / Zinc Alloy
Customizable Lengths
Manganese Steel C-clip

Manganese Steel C-clip

High-strength retaining clip for lock assemblies. Black electrophoresis finish for corrosion resistance.

Material: Manganese Steel
Finish: Black Electrophoresis
View All 190+ Products

Our Capabilities

From raw material to finished product — we offer a full suite of manufacturing and finishing services tailored to your lock component needs.

CNC Machining

Precision turning and milling for complex lock cores, housings, and plugs.

Die Casting

Zinc and aluminum alloy casting for high-volume lock housings and components.

Metal Stamping

High-speed stamping for washers, clips, and thin metal lock parts.

Surface Finishing

Electrophoresis, plating, polishing, and custom coatings.

20+
Years Experience
190+
Products
50+
Global Clients
98%
Customer Retention

Frequently Asked Questions

What materials do you use for lock components?

We primarily use C3604 brass, zinc alloy, aluminum, and manganese steel. All materials undergo PMI verification to ensure authenticity.

Do you offer custom lock part manufacturing?

Yes, we provide full custom manufacturing including SFIC lock customization, CNC machining, and die casting based on your drawings or samples.

What industries do you serve?

Our lock components are used in electronics, defense, medical devices, telecommunications, marine equipment, and commercial security systems.

How do you ensure quality control?

We use salt spray testers, spectrometers, smartscopes, and surfometers. Every batch is visually inspected and tested for performance and durability.

Get in Touch

Need high-quality lock components for your project? Contact Junying Metal Manufacturing today.

Visit Official Website to Contact

Email: sales@diecasting-mould.com

Phone: +86 769 8289 0830

Skype: diecasting-mould

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