Engineering Support

Turning Your Ideas Into Reliable Products from Concept to Production.

DFM – Design for Manufacturing

We understand the importance of manufacturability. At WEILAN, our Manufacturing Feasibility Engineering team reviews each project from multiple perspectives.
We believe the earlier we get involved, the greater the value. Our team supports your product from the concept design stage to ensure it is manufacturable and efficient.

Design Analysis from Concept to Manufacturing

We update our analyses throughout the entire product design refinement process and follow our standard procedures until a complete and reliable report is delivered for manufacturing.

Our services include:Material shrinkage analysis, Wall thickness optimization, Parting line design, Gate and runner system design, 2K molding, Insert molding, IML analysis.
Smart manufacturing solutions.

Drafting and demolding analysis, Rib and post design evaluation, Ejector system design.
Tolerance and assembly checks Surface finishing analysis covering painting, silk screen printing and electroplating.

Advanced Digital Analysis

We leverage the latest digital tools to analyze and verify every mold and product. When needed, we perform moldflow, simulation, and fluid or aerodynamic analyses. Our approach relies on data to anticipate and solve potential issues, not on guesswork or past experience.

Design Verification with Prototyping

We have our own 3D printing and prototyping equipment to quickly verify design solutions for products, molds and other production tools. This ensures the effectiveness of each solution and reduces trial-and-error time as much as possible.

Designing Manufacturing for Success

To ensure a smooth transition from mold design to mass production, manufacturing is engineered as a system, not handled as isolated steps. We operate with a dedicated manufacturing engineering structure that integrates process planning, automation, and execution control from the very beginning. Our team of over 40 engineers brings together hardware and software expertise, enabling coordinated decisions across tooling, processing, automation, and production flow. This integrated approach allows risks to be addressed early and manufacturing intent to remain consistent through scale-up.

When you work with us, you gain more than machining capacity. You gain a full-chain manufacturing partner built for deep collaboration and long-term production success.

Automation and Smart Manufacturing

In response to customer demands, we began exploring the design, manufacturing, and application of jigs, fixtures, gauges, and small-scale semi-automation 15 years ago. To date, we have invested nearly 70 million RMB in automation.
Today, we continue to invest in developing our automation and smart manufacturing capabilities, solving production pain points for customers, and providing direct value and future assurance.

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Excellent Stability and Consistency
Our automated production lines enable 24/7 continuous, stable production. Key process parameters are locked by the system and can be monitored throughout the entire production process, eliminating fluctuations caused by manual operations.
This means that quality variations between batches are minimized, and product yield can consistently remain above 99%, greatly reducing inspection costs and production line downtime risks.

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High Efficiency and Delivery Assurance
Through automated production lines and intelligent scheduling systems, we shorten the delivery cycle of standard products by 30%-50% compared to traditional methods. Even with urgent orders, our system responds quickly, and delivery dates are precise and predictable, making us a reliable link in your supply chain.

Raw Materials

Excellent products start with excellent raw materials. Our global network of over 3,000 partners and agile supply chain ensures supply certainty, cost and technical optimization, and fast response to your production needs.

Quality Control

Beyond inspection, empowering manufacturing. We believe quality control is both a co-creator of excellent products and a gatekeeper of supply chain risk. Continuous investments in hardware and software strengthen our capabilities so customers can move forward with confidence.

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Our high-precision scanning and reverse comparison systems ensure mold cavities, precision electronic components, and complex injection parts match the design exactly.

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Ultra-precision optical vision and laser scanning provide fast, non-contact inspection for full coverage and contour analysis of precision parts.

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Our materials laboratory verifies performance using melt flow index testers, universal testing machines, and impact testers to ensure all parts meet specifications.

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Reliability laboratories validate long-term stability through temperature, humidity, thermal shock, and salt spray testing. Dedicated electrical and battery testing ensures performance and safety.

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We design quality into every process. Any issues are addressed with structured methodologies to identify and eliminate root causes. Real-time digital monitoring enables continuous improvement across design, tooling, and production.