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Customer Service (English or Chinese):
Live Chat: 9:30a.m. to 18:00p.m (CST: China Standard Time), Monday to Sunday (7 days a week)
Phone: +86 10 84847953 - 6117
Complaints and suggestions in English (Chinese or Russian):
Customer Service: email@example.com
Beijing Yoybuy Technology Co.,Ltd.
Room 1406, Fl. 14, No.4, Courtyard 19,
Huangping Road, Huilongguan Town,
Changping District, Beijing