Injection Mold Making & Contract Manufacturing

Your trusted partner in tooling, molding, and contract manufacturing.

Your Partner in Advanced Manufacturing

Your trusted partner in tooling, molding, and contract manufacturing.

Your Partner in Advanced Manufacturing

What began with 5 injection molding machines dedicated to small-batch, high-precision components has grown into more than 107 million components and products manufactured for our customers to date. The Weilan team remains committed to precision manufacturing, reliable delivery, and being the most trusted partner for brands worldwide.

Contract Manufacturing

Flexible, Efficient, One-stop Manufacturing for a complete end-to-end service.

Plastic Injection & Medical Solutions

High-precision molding with certified cleanroom production for medical and high-performance applications.

Mold Manufacturing

With over 15 years of international mold making experience, our team delivers precise, reliable molds that keep your production running smoothly.

Our Values, Our Commitment

Honest and Reliable

We uphold respect, transparency, and equality in every collaboration, ensuring long-term trust and meaningful partnerships.

“Big Enough To Cope, Small Enough To Care.”

About Us

Engineering

From concept to production, we deliver integrated engineering across product design, electronics, PCBA, tooling, automation, and rapid prototyping, making every project faster, more stable, and ready for market.

Product Design

End-to-end product design focused on functionality, manufacturability, and user experience.

Electronics & Software

Integrated hardware and embedded software engineering to build stable, high-performance smart products.

PCBA Design

Professional PCB layout and PCBA engineering ensuring signal integrity, durability, and manufacturing reliability.

Moldflow Simulation

Advanced mold flow analysis to optimize part design, prevent defects, and ensure predictable mass production.

Mold Design

High-precision mould design built to global standards for consistency, durability, and long-term performance.

3D Printing & Prototyping

Rapid prototyping with 3D printing to validate structure, assembly, and functionality early in development.

Automation Design

Custom automation solutions engineered to boost production efficiency, accuracy, and manufacturing stability.

Innovation Driven · Technically Proven

We continually explore new materials, digital tools, and AI-assisted methods that improve product quality and production efficiency. We adopt new technologies at our own steady pace, ensuring every upgrade is stable, reliable, and ready for real manufacturing. For us, innovation means practical improvements and smarter workflows that bring real value to every project.

Sustainable Manufacturing • Responsible Practices

From energy efficiency to eco-friendly materials, we minimize environmental impact while delivering high-quality solutions.

Serving Brands Worldwide

We support global customers with reliable manufacturing, fast response, and consistently high quality throughout every project.

15+

Established in 2011

1300+

Team members

340+

Precision equipments

Blog posts

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Black molded plastic components arranged in protective trays after production.

Elastic Supply Chain Management: JIT and VMI Models for Coping with Fluctuations in Raw Material Prices

Combining JIT and VMI creates an elastic supply chain that absorbs market shocks. Learn how strategic buffering keeps your manufacturing costs stable.

Jun 10, 2026

Manufacturing execution system screen showing production status for factory work orders.

Manufacturing Execution Systems (MES): Benefits, Functions, and Implementation

A Manufacturing Execution System (MES) turns raw factory data into real-time insights, bridging the gap between ERP planning and SCADA shop floor control.

Jun 10, 2026

Engineers in a design office review computer screens together while working on mold simulation and manufacturing analysis tasks for production.

Moldflow Simulation Explained: From Product Design to Mass Production

Stop injection molding defects before steel cutting. Moldflow simulation models plastic behavior to optimize wall thickness and eliminate warpage.

Jun 4, 2026