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
weilan-mfg
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.
weilan-mfgweilan-mfg
Contract Manufacturing
Flexible, Efficient, One-stop Manufacturing for a complete end-to-end service.
weilan-mfgweilan-mfg
Plastic Injection & Medical Solutions
High-precision molding with certified cleanroom production for medical and high-performance applications.
weilan-mfgweilan-mfg
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
weilan-mfg weilan-mfg
weilan-mfg
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.
weilan-mfg
Electronics & Software
Integrated hardware and embedded software engineering to build stable, high-performance smart products.
weilan-mfg
PCBA Design
Professional PCB layout and PCBA engineering ensuring signal integrity, durability, and manufacturing reliability.
weilan-mfg
Moldflow Simulation
Advanced mold flow analysis to optimize part design, prevent defects, and ensure predictable mass production.
weilan-mfg
Mold Design
High-precision mould design built to global standards for consistency, durability, and long-term performance.
weilan-mfg
3D Printing & Prototyping
Rapid prototyping with 3D printing to validate structure, assembly, and functionality early in development.
weilan-mfg
Automation Design
Custom automation solutions engineered to boost production efficiency, accuracy, and manufacturing stability.
weilan-mfg

Innovation Driven · Technically Proven

weilan-mfg

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

weilan-mfg

Blog posts

View all
BlogPrecision injection mold for plastic manufacturing with durable steel tooling for custom injection molding production.

How Much Does It Cost to Make a Plastic Mold? Key Factors Behind the Quote

Mold quotes for the same part vary widely. Compare the 6 cost drivers behind your quote: geometry, steel grade, cavities, machining, finishing, and trials.

Jul 27, 2026
BlogEngineer reviewing a plastic injection mold design on dual CAD workstations

Plastic Injection Mold Design: Cooling, Venting, and Ejection Decisions That Shape Production

Cooling, venting, and ejection drive mold performance. This article explains how each system shapes production quality and tool durability.

Jul 27, 2026
BlogBlack insert-molded plastic components arranged for production inspection

OEM Insert Injection Molding: Integrating Metal and Plastic Components for Production

A production-focused guide to integrating metal inserts with molded plastic, from insert retention and tooling through process control and assembly planning.

Jul 20, 2026