Light bulb products: If they still can't be used normally after two repairs within the validity period of three guarantees, the seller shall be responsible for replacing or returning them.
Lamps and lanterns products: If any of the following quality problems occur within the validity period of the "Three Guarantees", they shall be responsible for repair, replacement or return: (1) Quality problems caused by manufacturing reasons are found during the use of lamps and lanterns after installation; (2) the appearance quality does not meet the relevant provisions of the standard; (3) If the light source electrical products are sold separately, the quality of the light source electrical products does not meet the relevant provisions in the standard.
The above information is for reference only. It is recommended that you consult relevant merchants or official customer service.