Frequently Asked Questions
Everything you need to know about SUNLU 3D printing products and services.
How should I store my SUNLU filament to prevent moisture absorption?
We recommend storing your filament in a cool, dry place using a vacuum-sealed bag with desiccant or a dedicated filament dryer box like the SUNLU FilaDryer S2 to maintain optimal printing quality.
What is the typical shipping time for international orders?
Orders are typically processed within 1-2 business days. Shipping times vary by region, generally taking 3-7 business days for local warehouse delivery and 10-20 business days for international shipments.
What is your return policy for defective items?
We offer a 30-day return policy for items with manufacturing defects. Please contact our support team with your order number and photo evidence to initiate a replacement or refund.
Are SUNLU resins compatible with all SLA/DLP printers?
Yes, SUNLU 3D resins are designed to be compatible with most 395-405nm wavelength LCD, SLA, and DLP 3D printers on the market.
Which payment methods do you accept?
We accept a wide range of secure payment options including major credit cards (Visa, MasterCard, American Express), PayPal, and Apple Pay.
How can I track my order status?
Once your order has shipped, you will receive a confirmation email containing a tracking number and a link to the carrier's website to monitor your delivery progress.