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FAQ

We handle customs clearance and cover import duties on orders shipped to the European Union, United Kingdom, and United States. For all other shipping destinations, you as the customer are responsible for customs duties.

We already ensure your parts are safe and secure with our confidentiality clauses on our Terms of Sale, but we’re happy to sign a separate NDA if your company requires it. Please contact our sales team for details.

We support common industrial 3D files, including STEP, STP, IGS, STL. STEP and IGS are recommended for precise dimension checking. All uploaded files are kept strictly confidential.

Yes. We fully protect all customer design files. We never share, resell or disclose your drawings to any third party. Non-disclosure agreements (NDA) are available for industrial and confidential projects.

We provide SLM Metal Printing, SLA Resin Printing, SLS Nylon Printing. Suitable for metal parts, functional prototypes, complex models, and industrial batch production.

Our main metal materials include 316L, 17-4PH, AlSi10Mg, Ti6Al4V, Inconel 625, CoCrMo. All metal powder is high-purity spherical powder for high precision and high density.

We offer resin, nylon, TPU and ABS. These materials are widely used for prototypes, decorative parts, and functional plastic components.

Normal production takes 2–5 working days. Simple plastic models take 1–3 days. Metal SLM parts take 3–7 days. Bulk orders will have a customized production schedule.

Yes. We offer polishing, sandblasting, anodizing, painting, heat treatment and passivation. Different post-processing options meet your surface texture and industrial standard requirements.

Simply upload your 3D files and specify material, quantity and post-processing requirements. We will send you an official quotation within 12–24 hours.

Yes, we provide worldwide shipping. We use DHL, FedEx and UPS for fast and safe delivery. Real-time tracking information is provided for every order.

Shipping fee depends on weight, size and destination. We will list the exact shipping cost on your quotation. Free shipping is available for large bulk orders.

No MOQ requirement. We accept 1 piece prototype, small batch and mass production orders. We support personalized custom manufacturing.

Yes. Our engineering team provides free model checking and minor optimization to ensure printability. Structural modification service is also available on request.

Every part passes dimension inspection, surface testing and quality checking before shipment. We provide inspection reports for industrial and high-precision orders.

We provide professional after-sales service. If the defect is caused by our production error, we offer free re-production or full refund.

We accept T/T bank transfer. Flexible payment terms are available for long-term B2B clients.

You can always send us an email if you have any questions: support@huanya3d.com

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