For inquiries or concerns, we provide a complaint hotline and email address, monitored by our team to ensure timely responses and feedback collection. Our goal is to maintain open dialogue, addressing any issues promptly and building strong, sustainable partnerships. For any questions or concerns, please feel free to contact us. We are always at your service. 

Complaint Hotline: TW +886 3 4399431#9505

Complaint Email: becky@yihshan.com