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Professional Manufacturer of Injection Molding & Die Casting

Complete solution for Injection Molding, Aluminum/Zinc Alloy Die Casting, Forging, Stamping, and Custom Machining — from raw material to finished product.

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About HongZhong Metal Plastic

A trusted manufacturer since 2010, delivering high-grade components with in-house capabilities across injection molding, die casting, and precision machining.

Company Profile

Founded in 2010 and located in Guangdong Province, China, HongZhong Metal Plastic Co., Ltd. is a professional manufacturer specializing in Injection Molding and mechanical components.

We offer a complete solution from mold making to injection molding, forging, aluminum/zinc alloy die casting, and custom machining.

Our facility spans 20,000 square meters with a building area of 15,200 square meters. In 2024, our annual turnover reached $30 million.

Learn more about our capabilities →
Manufacturing Facility Production Line Machining Center Die Casting Part

100% Prime

We are not a sourcing company — all operations are in-house from raw steel to finished products.

IATF16949

Highest level of quality certification in the automotive industry.

Lean Production

Plan + control + improvement = systematized quality system.

Our Professional Ability

🔧 Professional Expertise

We have a professional technology and R&D team equipped with advanced production, manufacturing, and testing equipment. Our engineers specialize in mold design, material science, and process optimization.

🏭 In-House Manufacturing

We are not a purchasing company. All operations — from raw material processing to final assembly — are carried out in-house, ensuring full control over quality, cost, and delivery timelines.

CNC Machining

Our Quality System

We implement ISO9001:2008 and IATF16949:2016 standards across all departments, adhering strictly to the eight principles of quality management.

Lean Production Philosophy

Our lean manufacturing approach integrates planning, control, continuous improvement, and experience sharing to systematize our quality processes.

  • ✅ Real-time process monitoring
  • ✅ Root cause analysis for defects
  • ✅ Daily quality review meetings
  • ✅ Employee-driven improvement programs

Certifications & Standards

We are certified under IATF16949:2016, the highest automotive quality standard, and ISO9001:2008.

  • 🚗 Automotive-grade quality assurance
  • 🔧 Full traceability of materials and processes
  • 📊 Statistical process control (SPC)
  • 🔍 100% inspection capability for critical dimensions

Our Products

Plastic Molding

Plastic Molding

High-precision injection molding for automotive, industrial, and consumer applications using ABS, PP, PC, and other engineering plastics.

Injection Molding
Aluminum Die Casting

Aluminum Alloy Die Casting

Lightweight, durable components for automotive and industrial use. High dimensional accuracy and excellent surface finish.

Die Casting
Zinc Die Casting

Zinc Alloy Die Casting

High-strength, corrosion-resistant parts ideal for complex geometries and tight tolerances in automotive and electronics.

Die Casting
Custom Machining

Custom Machining

CNC turning, milling, and grinding for prototypes and production runs. Materials include steel, aluminum, brass, and plastics.

CNC Machining
Forging Components

Casting and Forging

High-integrity metal forming processes for load-bearing components requiring superior strength and fatigue resistance.

Forging
Trailer Light

Trailer Light & Connectors

Durable lighting systems and electrical connectors for trailers and towing applications. Waterproof and vibration-resistant.

Automotive
Tow Bar

Tow Bar & Couplers

Heavy-duty towing components designed for safety and reliability. Made from high-strength steel with anti-corrosion coating.

Towing Parts
Tower Ring

Tower Ring & Couplers

Precision-engineered lifting and towing rings for industrial and automotive use. Load-tested for safety compliance.

Hardware
View Full Product Catalog

Our Capabilities

🛠️

Injection Molding

Up to 1200T machines, multi-cavity molds, overmolding, insert molding.

⚙️

Die Casting

Aluminum & zinc alloys, cold/hot chamber, high-pressure casting.

🔩

Custom Machining

CNC turning, milling, grinding, 3/4/5-axis machining centers.

🔥

Forging & Stamping

Hot/cold forging, progressive stamping, welding & assembly.

Frequently Asked Questions

What is the role of a car towing hook?

The towing hook is a tool used when a vehicle needs to be towed. It connects the tow truck to the disabled vehicle, ensuring safe and secure transportation.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM services, from design and prototyping to mass production and packaging.

What industries do you serve?

We serve automotive, industrial machinery, consumer goods, electronics, and agricultural equipment sectors.

What is your production lead time?

Typical lead time is 30-45 days after sample approval, depending on complexity and order volume.

Contact Us

Ready to start your next project? We provide complete manufacturing solutions from concept to delivery.

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