1. Hotline 

• Service Hotline: +011 86 4008833172
  
• For general inquiries, product consultation, and initial service support.

2. After-Sales Service Details

• Service Address: 18215 Rowland St, City Of Industry, CA 91748 (Dock 33-38)
  
• Contact Person: TangRong ZHZT
• Local Service Phone: (626) 292-8917
• Service Email: ZH-KONKA-AS@freelynet.com
• For on-site support, maintenance arrangements, and post-sales problem resolution.