Custom Metal & Plastic 3D Printing – Rapid Prototyping Services

Product Overview

Our one‑stop 3D printing and rapid prototyping service delivers custom metal and plastic parts with exceptional precision and finish. Using industry‑leading technologies (SLM, DMLS, SLA, FDM, SLS, MJF, PolyJet, DLP, vacuum casting), we handle everything from proof‑of‑concept models to end‑use components—no tooling required. All parts undergo 100% inspection before delivery to ensure they meet your exact specifications.

Technical Parameters

Key Selling Points

1. No Tooling Required
   Rapid turnaround without the high cost or lead time of molds and fixtures.

2. Complex Geometries
   Build intricate lattices, undercuts & internal channels impossible with conventional machining.

3. Broad Material Selection
   From high‑strength metals (stainless steel, titanium) to engineering plastics (PEEK, nylon, ABS).

4. Tight Tolerances
   Achieve ± 0.05 mm accuracy for critical fit‑and‑form prototypes or end‑use parts.

5. Full Post‑Processing
   Expert surface treatments—polishing, plating, painting—to meet aesthetic and functional requirements.

6. Scalable Production
   From one‑off proof‑of‑concepts to small‑batch runs, with volume capacity up to 10,000 pcs/month.

7. Rigorous Quality Assurance
   Every part undergoes dimensional inspection, material certification and visual checks.

Frequently Asked Questions

Q1: What 3D printing technologies do you support?
A: We offer SLM/DMLS for metal, SLA/DLP/PolyJet for high‑res photopolymer parts, FDM/SLS/MJF for robust engineering plastics, and vacuum casting for small runs.

Q2: Which file formats are accepted?
A: Preferred formats are STEP, STP, IGES, IGS, STL, and OBJ. Please ensure your CAD export is watertight.

Q3: What is your minimum order quantity (MOQ)?
A: We accept orders starting at just one piece for both metal and plastic parts.

Q4: How fast can I get my parts?
A: Standard lead times are 2 days for one part, 5 days for 2–5 parts. Larger volumes are quoted individually.

Q5: Can you handle post‑processing and finishing?
A: Yes. We provide sandblasting, polishing, plating, painting, coating and other finishes to match your requirements.

Q6: What tolerance can you achieve?
A: Standard dimensional tolerance is ± 0.05 – 0.1 mm, depending on geometry and material.

Q7: How do you ensure quality?
A: Each part is inspected 100% for dimensional accuracy, material integrity and surface finish before shipping.

Q8: What are the payment and shipping options?
A: We accept T/T, Western Union and PayPal. Shipping via air, sea or express courier is arranged to fit your timeline and budget.

About Dongguan YYI Technology Co., Ltd

At Dongguan YYI Technology Co., Ltd., we are dedicated to transforming your concepts into tangible innovations. With over 20 years of industry experience, our company has evolved into a leading provider of rapid prototyping and low-volume manufacturing solutions. We specialize in delivering high-quality, customized products across various industries, ensuring that each project meets the unique needs of our clients.

Our Facilities

Our state-of-the-art facilities are equipped with over 220 3D printing devices, including SLS, SLA, MJF, FDM, and PolyJet printers, as well as 10 SLM metal printing machines. Our injection molding workshop houses 50 injection molding devices, and our CNC machining workshop is equipped with 40 CNC machines. Additionally, our post-processing and quality inspection departments are staffed with over 60 professionals, ensuring that every product undergoes thorough inspection and finishing processes.

Why Choose YYI Tech?

Integrated Solutions: With over two decades of experience and a team of more than 20 professional engineers, we develop comprehensive solutions tailored to optimize cost-effectiveness and meet customer requirements.

One-Stop Service: From 3D drawing creation to rapid prototyping, small batch production, post-processing, and final inspection, we provide a seamless experience for our clients.

Customer-Centric Approach: We prioritize our clients' needs, responding quickly and efficiently to ensure the successful development and delivery of your products.

Industry Expertise: We serve a diverse range of industries, including automotive, medical equipment, industrial models, intelligent robots, smart home appliances, aviation, shipbuilding, and tooling fixtures.

Our Vision

Our vision is to be a trusted partner in your product development journey, delivering innovative solutions that accelerate time-to-market and enhance product quality. We are committed to continuous improvement and innovation, striving to exceed our clients' expectations and contribute to their success.