Assembtek sells only brand-new authentic products. On the premise of intact packaging and correct quantity, we promise standard products (excluding non-standard items) purchased independently via our official website or other official online platforms are eligible for return/exchange per these rules. ("Intact packaging" means undamaged outer packaging, complete internal components, and no impact on repackaging or resale.)

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at david.chan@terai.ltd.

Eligible products can initiate after-sales service online via [My Orders], with processing within 1-2 working days. You may also contact your dedicated account manager/customer service or call +852 5469 4616 to apply. Note: For eligible products, if the desired exchange item is out of stock, only return or alternative replacement (as needed) is available.

Return & Exchange Categories	Specific Description	Return Supported	Exchange Supported	Return Shipping Fee Charged	Remarks
Functional failures or product quality issues (per national laws)	Product issues confirmed by brand-authorized after-sales centers or national recognized third-party inspection platforms, with valid certificates	Yes	Yes	No	Provide valid inspection documents. Products damaged/lost/deteriorated due to improper use, storage, natural wear, accidents, or force majeure are ineligible.
Damaged or missing product items	Appearance deformation, damage, or missing main components/accessories upon delivery signing	Yes	Yes	No	Provide valid third-party logistics proof of damage/missing items at time of receipt.
Mismatched color, size, or model	Inconsistencies between received and ordered products (color/size/model) caused by store errors	Yes	Yes	No	Submit comparison photos of the received product and ordered item.