Frequently Asked Questions
Everything you need to know about SUNLU 3D printing solutions and support.
What is the typical shipping time for SUNLU products?
Orders are generally processed within 1-2 business days. Shipping times vary by region, typically taking 3-7 business days for domestic orders and 7-14 business days for international destinations.
How should I store my SUNLU filament to prevent moisture absorption?
We recommend storing filament in a cool, dry place using vacuum-sealed bags with desiccant. For the best printing results, use a SUNLU FilaDryer to remove any absorbed moisture before use.
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 of the issue to initiate a replacement or refund.
Are SUNLU filaments compatible with all 3D printers?
Yes, SUNLU filaments are designed to be compatible with most FDM 3D printers on the market that use 1.75mm diameter filament, including brands like Creality, Anycubic, and Prusa.
Which payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and various local payment options depending on your shipping country.
How can I track my order status?
Once your order has shipped, you will receive an email notification containing a tracking number and a link to the carrier's website to monitor your delivery progress.