Get in Touch 📞 Customer Service: 400-800-1234 (Mainland China only) 📱 What's APP: Tangoola-Service 📧 Email: [email protected] 🏢 Address: No. 88 Bicycle Valley, Xiamen, Fujian Province Office Hours Monday-Friday: 8:30 AM - 5:30 PM CST Saturday: 9:00 AM - 12:00 PM CST Closed Sundays and National Holidays Response Times Phone/WeChat: Immediate response during office hoursEmails: Within 24 business hoursTaobao Messages: Within 12 business hours Get in Touch Need a Help? Frequently Asked QuestionsQ: What's covered under warranty?A: 2-year coverage for manufacturing defects (excludes impact damage)Q: What's your return policy?A: 30-day return for unused items with original packaging Subscribe us