Sambien.vn receives Customer Complaints through the following channels: 
On the Facebook fanpage, website, contact and comment customers 
Via the complaint handling hotline: 0889787878 
Email: sasamviet@gmail.com 
Directly at stores in the sambien.vn system 
The company's headquarters is at 430C1 Nguyen Hue Street - Phu Khuong Ward - Ben Tre City, Ben Tre Province.