QDJ-PROTOTYPE (Dongguan Qindejing Technology Co., Ltd.) is a rapid prototyping and low-volume manufacturing factory in Dongguan, China — 12+ years, ISO 9001:2015 certified, equipped with Mazak/Haas CNC, TRUMPF laser, Zeiss CMM, and tolerances from ±0.001 mm to ±0.2 mm.
Factory facts you can verify
| Fact | Value |
|---|---|
| Company | Dongguan Qindejing Technology Co., Ltd. (Dongguan, China) |
| Experience | 12+ years |
| Team | 40+ members |
| Projects completed | 3,500+ |
| Customer satisfaction | 98% |
| Factory network | 500+ vetted partner factories under strict supplier management |
| Machining tolerance | ±0.001 mm to ±0.2 mm |
| Inspection equipment | Zeiss CMM, Mitutoyo surface roughness testers |
Trusted by R&D Groups Worldwide
More than 1890 companies from 96 countries trust us, and the number is growing.
About QDJ-PROTOTYPE
We (Dongguan Qindejing Technology Co., Ltd.) are an rapid prototyping and low-volume manufacturing services supplier with 12 years of experience. In China, we have established reliable and stable partnerships with more than 500+ quality factories through strict supplier management standards. Our state-of-the-art facilities and expert team ensure precision, efficiency, and quality in every project to our global customers.
12+
Years of Experience
40+
Team Members
3500+
Project Completed
98%
Satisfied Customer
Our facilities
At QDJ-PROTOTYPE, we pride ourselves on our state-of-the-art facilities equipped with advanced machines and tools that guarantee precision and quality. Our production equipment includes high-performance CNC machining centers, 3D printers, and specialized testing equipment, all sourced from world-renowned brands.
We operate a wide range of equipment, including:
1CNC Machining Centers (Mazak, Haas, Sodick) for precise, multi-axis machining of complex parts.
23D Printers (UnionTech, Shining 3D, EOS) for rapid prototyping and producing high-quality prototypes in various materials, including metals and plastics.
3Laser Cutting (TRUMPF) and Press Brake Machines (Amada) for precise cutting and bending of metal sheets.
4Coordinate Measuring Machines (Zeiss) and Surface Roughness Testers (Mitutoyo) for rigorous inspection and quality control.
Our machines are calibrated to tight tolerances, ranging from ±0.001 mm to ±0.2 mm, ensuring the highest levels of accuracy and consistency in every project. With advanced manufacturing equipment from trusted brands like Mazak, Haas, Sodick, TRUMPF, and Zeiss, we deliver exceptional precision and quality in every prototype and production run. Over 12 years, the team has completed 3,500+ projects with a 98% customer satisfaction rate across our qualified manufacturing supply chain.
Whether you’re looking for complex CNC machining, metal 3D printing, or precise measurement and testing, our fully equipped facilities enable us to meet your unique production needs efficiently and accurately.
Medical Devices
Automotive Industry
Consumer Electronics
Education & Training
Factory-direct vs trading company: how to tell the difference
| Signal | Factory (QDJ) | Trading company |
|---|---|---|
| Named equipment | Mazak, Haas, Sodick CNC; TRUMPF laser; Zeiss CMM — listed on this page | Vague “advanced machines” |
| Inspection | In-house Zeiss CMM + Mitutoyo roughness testers | Subcontracted, no named equipment |
| Legal entity | Dongguan Qindejing Technology Co., Ltd. | Often a trading company name |
| Documentation | Material certs, CMM reports, batch photos | Packing list only |
| Visit | Factory open to customer audits | Difficult to arrange |
How to verify QDJ before you order
- Check the verified testimonials page — each one links to project data and inspection details.
- Ask for our ISO 9001:2015 certificate and a sample CMM inspection report with your first RFQ.
- Send one test part — we accept MOQ 1, no tooling fee.
- Review the DFM questions we return before quoting; a real factory asks technical questions.
- Request a video call with the engineering team — we do this weekly with customers worldwide.
FAQ about QDJ-PROTOTYPE
Is QDJ-PROTOTYPE a real factory?
Yes — Dongguan Qindejing Technology Co., Ltd., a prototyping and low-volume manufacturing factory in Dongguan, China, in business 12+ years, ISO 9001:2015 certified.
What tolerances can you hold?
From ±0.001 mm to ±0.2 mm depending on material and geometry, verified by in-house Zeiss CMM inspection.
Can I visit the factory or audit you?
Yes, customer audits are welcome. Remote audits via video call are routine.
What industries do you serve?
Medical devices, automotive, consumer electronics, industrial equipment, and education — with documented case studies in each.