- +86 15988614731
- fangbo133@gmail.com; brianfang@rycastings.com
RuiYu provides custom die casting components and trailer security products with over 20 years of engineering experience and reliable manufacturing partnerships in Ningbo, China.
Based in the prominent manufacturing hub of Ningbo, China, Ningbo Ruiyu Metal Products Co., Ltd. is an engineering-driven supply chain integrator specializing in metal manufacturing. We bridge the gap between global buyers and localized production by offering two core product lines: custom die casting components and premium trailer security products.
As a trusted OEM/ODM partner, we do not simply pass orders to factories. Instead, we deeply involve ourselves in the technical and manufacturing process, translating your concepts into reliable, market-ready metal solutions.
At RuiYu Metal, our strength lies in our engineering-first approach. We manage potential manufacturing issues before they ever reach the production floor.
Product Structure Review: We analyze your 2D and 3D designs to optimize part geometry, improve material flow, and reduce unnecessary production costs.
Die Casting Process Optimization: Leveraging deep metallurgical knowledge to select the right aluminum or zinc alloys and optimize wall thickness for maximum strength.
Tooling Development Support: We oversee mold structure evaluation, parting line placement, and cooling channel layouts to ensure long mold life and flawless surface finishes.
Production Quality Control: We establish strict quality control plans and inspection protocols for every manufacturing step to guarantee dimensional accuracy and consistency.
Rather than being limited by the capacity of a single facility, we collaborate with a network of highly experienced, specialized manufacturing partners in Ningbo.
Through these long-term partnerships, we seamlessly coordinate the entire manufacturing lifecycle:
Precision Tooling & Mold Making: Custom mold design and fabrication utilizing high-grade steel.
Aluminum & Zinc Die Casting: High-pressure die casting for complex, high-durability components.
CNC Machining: Post-cast precision milling, turning, drilling, and tapping to meet tight tolerances.
Surface Finishing: Professional powder coating, electroplating, painting, and anodizing.
20+ Years Industry Experience With over two decades in die casting and tooling development, we understand the complete process from initial design to mass production, anticipating and solving defects early.
Engineering Before Production We don’t just quote; we engineer. Our front-end technical review ensures your designs are fully optimized for manufacturability (DFM) before any tooling begins.
Flexible OEM/ODM Solutions Whether you need low-volume custom prototypes or high-volume continuous production run support, we adapt to your specific project scale and technical requirements.
Reliable Supply Chain Coordination We act as your local eyes and ears in Ningbo, managing multiple specialized suppliers to deliver a single, hassle-free, finished product directly to your destination.
Our engineering and integration capabilities allow us to serve diverse sectors worldwide, delivering precise metal components and reliable security products:
Trailer & RV Security: High-security locks, coupler locks, and safety components for global transport and outdoor recreation.
Audio Equipment: Custom die-cast speaker frames, brackets, and structural enclosures.
Industrial Components: Durable brackets, housings, and custom hardware built for demanding environments.
Mechanical Parts: Precision-machined cast parts for machinery, power transmission, and automation systems.
