Turn Your Idea Into Reality

Full-service product design, prototyping, and manufacturing solutions for inventors, startups, and small to medium businesses. We help you bring innovative products to market faster and at a fraction of the cost.

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Who We Are

YJC Design specializes in product design, prototyping, and molding solutions. We are experts in serving small to medium-sized companies, inventors, engineers, and startups across various industries. With engineering expertise in the USA and manufacturing capabilities in China, we offer a seamless bridge between concept and production.

Our team of mechanical engineers works closely with clients to refine designs, validate functionality, and ensure manufacturability — all while protecting your intellectual property and reducing time-to-market.

Our Core Services

From concept to creation, we provide end-to-end engineering and manufacturing support.

Product Design

We provide mechanical design and co-design services across industries. Our engineers collaborate with you to refine concepts, ensure functionality, and prepare for manufacturing.

Prototyping

Rapid prototypes to validate your design, test assumptions, and gather user feedback. We use CNC, 3D printing, and other methods to deliver functional models quickly.

Molding & Manufacturing

From relational molds to full production runs, we handle plastic, metal, and silicone rubber parts. We manage tooling, injection molding, and quality control.

Project Examples

Explore real-world applications of our design and manufacturing expertise.

Train Component

Precision-engineered part for rail systems, designed for durability and performance under stress.

iPhone Dock

Custom charging station with sleek design and integrated cable management.

USB Flash Drive

Compact, high-capacity storage with retractable connector and durable casing.

Retractable Pen

Ergonomic design with smooth click mechanism and premium finish.

Microphone Enclosure

Acoustically optimized housing with shock-mount design and sleek aesthetics.

Custom Medical Device

Medical Tool

Sterilizable, precision handheld device for clinical use with intuitive ergonomics.

Industrial Sensor Housing

Sensor Enclosure

Ruggedized IP67-rated housing for outdoor and industrial environments.

Consumer Electronics

Smart Device

Integrated IoT product with wireless connectivity and user-friendly interface.

Why Choose YJC Design?

We combine technical excellence with cost efficiency and full IP protection.

Cost Saving

Leverage our China-based manufacturing to reduce production costs by up to 60% without sacrificing quality.

Quality Assurance

Rigorous testing and inspection processes ensure every product meets international standards.

IP Protection

We sign NDAs and implement strict confidentiality protocols to protect your intellectual property.

Frequently Asked Questions

How long does prototyping take?

Most prototypes are delivered within 5–10 business days depending on complexity and materials.

Do you work with startups?

Yes, we specialize in supporting inventors and startups with low-volume production and scalable solutions.

Can you handle full production runs?

Absolutely. We manage everything from tooling to mass production and quality control.

Is my design protected?

Yes, we sign NDAs and follow strict IP protection protocols to ensure your idea remains confidential.

Ready to Bring Your Idea to Life?

Send us a sketch, specification, or just an idea — we’ll help you make it real at a fraction of the cost.

Contact Information

Phone: (86) 15986820998

Email: [email protected]

Office: USA | Factory: China

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