御社の製品にはアフターサービスがありますか？

A: 推奨保管条件下（温度）<30℃, humidity <70%, protected from light), unopened products will be replaced free of charge within 3 years from the date of delivery if non-human-caused material failure occurs, after testing and confirmation. Failure due to improper installation or use beyond the scope of the warranty is not covered.