About AOP Die Casting
Precision Aluminum Die Casting – Engineered for Lightweight Strength and Complex Innovation
Specialists in High-Pressure Aluminum Die Casting
AOP Die Casting is a dedicated division focused exclusively on high-pressure aluminum die casting solutions. With over 20 years of metallurgical and manufacturing expertise, we deliver lightweight, high-integrity components that meet the demanding requirements of modern industries — from electric vehicles and automotive structures to electronics housings and industrial equipment.
Headquartered in Ningbo, China — the global hub for precision tooling and die casting — our state-of-the-art facility combines advanced cold-chamber die casting machines, in-house mold design & tooling, comprehensive secondary CNC machining, and rigorous quality assurance to provide end-to-end turnkey solutions. We specialize in aluminum alloys such as ADC12, A380, A360, and others, producing thin-wall, complex geometries with tight tolerances and superior surface finish.
Why Choose AOP Die Casting?

Advanced High-Pressure Technology
Equipped with cold-chamber machines ranging from 280T to 2000T, enabling production of parts from 0.1kg to 15kg with excellent repeatability and minimal porosity.

In-House Tooling & Engineering
Our professional mold design team uses Moldflow simulation to optimize filling, cooling, and ejection — reducing lead times and ensuring first-time-right tooling.

Lightweight & Structural Excellence
Proven expertise in thin-wall castings and structural components that achieve up to 30-40% weight reduction while maintaining high strength — ideal for EV battery trays, chassis parts, and heat sinks.

Full Secondary Operations & Finishing
CNC machining, drilling, tapping, vibratory deburring, powder coating, anodizing, and assembly — one-stop from raw casting to ready-to-install parts.

Stringent Quality Assurance
ISO 9001 certified, with X-ray inspection, CMM, air-leak testing, PPAP documentation, and SPC process control to meet IATF 16949-level expectations.

Global Supply Chain Reliability
Proven track record serving North America, Europe, and Asia with on-time delivery, competitive pricing, and dedicated export support.
Our Journey
- 2005s – Foundation of precision manufacturing expertise in Ningbo, entering die casting field.
- 2010s – Expansion into high-pressure aluminum die casting; invested in large-tonnage machines and in-house tooling capabilities.
- 2020s – Established AOP Die Casting as a specialized brand, focusing on lightweight structural parts for electrification and sustainable mobility.
- Today – Annual capacity exceeding 3000 tons, serving Tier-1 suppliers and OEMs worldwide with engineering-driven solutions.
Partner with a True Aluminum Die Casting Specialist
Whether you need prototypes, low-volume trials, or high-volume production, AOP Die Casting delivers precision, reliability, and innovation.
Request a Quote Today Explore Our Capabilities