I paid almost $200 for a cordless power tool kit from ourseun.com and never received. According to their tracking info, it was delivered at my front door, but no one will respond to my attempts to contact them.
Information about ourseun.com

MPay Thang Long Company Limited
ADDRESS:
Floor 4, No.110 Nguyen Ngoc Nai
Street, Khuong Mai Ward, Thanh Xuan District,
Hanoi, Vietnam
Call US:
+84 58 4771489
cs@urlgmail.com