1. Collected/Used Items Email address, name, company name, referral source, inquiry type, phone number inquiry details 2. Purpose of Collection/Usage Handling customer inquiries and complaints, contacting for factual investigation and notification of results 3. Retention and Usage Period Three (3) years (Act on the Consumer Protection in Electronic Commerce Article 6(1)(4)) * If extended retention is required under relevant laws such as the Act on the Consumer Protection in Electronic Commerce, information will be retained for the specified period. You have the right to refuse consent to collection and usage of personal information. However, if you do not agree to the required items, you may be restricted from submitting inquiries or receiving responses.