Unlock the Engineering Edition blind box for our 13th anniversary. Includes all engineering materials and a chance to win S4, AMS Heater, or E2.

Mystery Gift Box Item Probability:

• SUNLU Engineering Filament: 100% chance of winning
• SUNLU FilaDryer E2, SUNLU AMS Heater: 5% chance of winning
• SUNLU FilaDryer S4/S4Pro: 1% chance of winning

Blind Box Promotion Terms

1. Each blind box contains randomly assigned items, and the total value of the contents will be equal to or higher than the amount paid.
2. Blind box items are selected at random and cannot be chosen, returned, or exchanged once purchased.
3. Blind boxes cannot be combined with other offers, including member-only discounts and the Summer Sale Promotion.
4. Blind boxes are eligible for a 30-day price protection policy if the same blind box is marked down after purchase.

General Terms

1. All items are offered while supplies last and will be confirmed only after payment is successfully completed.
2. Orders may be canceled if they are found to be abnormal, suspicious, or potentially fraudulent.
3. The platform reserves the right to interpret, update, or amend these terms and conditions, to the extent permitted by applicable law.