All-inclusive Customized Service | Precision Aluminum CNC Machining - Han Chang

OEM/ODM Aluminum Fabrication Partner - Han Chang

Han Chang service process including request review, quotation, sampling, tooling, mass production, QC & delivery with multilingual support.

Service Process

All-inclusive Customized Service

At Han Chang, we provide a transparent and efficient collaboration process, guiding clients from request to mass production. Our service process includes request review, quotation, sampling, tooling, mass production, and final quality control & delivery.

We have professional staff fluent in Chinese, English, and Japanese, ensuring smooth communication with global clients. With expertise in CNC machining, aluminum extrusion components, and OEM/ODM customization, we guarantee efficient service, on-time delivery, and consistent quality.


All-inclusive customize service
Our team establishing the best services and creating the best products.

1. Understanding Client Needs: Gain a clear understanding of the customer’s product specifications and functional requirements.
2. Drawing Review: Conduct feasibility evaluation and manufacturing process analysis.
3. Proposal & Quotation: Provide a fast and feasible production proposal with pricing after technical evaluation.
4. Prototype Manufacturing: Start trial production based on the planned process and establish preliminary workflows.
5. Prototype Approval: Confirm quality standards with the client and define inspection criteria and critical points.
6. Tooling & Mold Fabrication: Manufacture or modify molds based on approved samples and customer requirements.
7. Order Confirmation: Verify order quantity and pricing before scheduling for production.
8. Mass Production: Launch full-scale production according to standardized manufacturing procedures to ensure consistent quality.
9. Quality Inspection: Implement thorough quality checks—incoming inspection, first article inspection, in-process checks, and final inspection.
10. Product Delivery: Use proper packaging to ensure goods are shipped securely and delivered on time.

Service Process | Custom-Made Aluminum Components for Industry - Han Chang

Founded in 1986, Han Chang Technology is a Taiwan-based CNC machining manufacturer focused on custom aluminum components for high-performance applications in EVs, industrial PCs, and medical devices.

We are certified with ISO 9001, ISO 13485, and IATF 16949 — proof of our commitment to quality, consistency, and international standards. Our factory is equipped with advanced CNC equipment from Japan, supporting complex prototyping and mass production with tight tolerances.

From thermal modules to precision enclosures, our team delivers engineering support, rapid lead times, and consistent results trusted by clients worldwide.