Anhui Chuanyin E-Commerce Co., Ltd.is a supplier focusing on second-hand mobile phones.our customers distributed in more than 200 countries,especially Zambia, Tanzania, Cote d'Ivoire, Kenya, Iraq, Sri Lanka. From the factory to QC testing, packaging, delivery,we have specific standards of service.We have absolute advantage in the sale of used cell phones of OPPO, XIAOMI, VIVO, HUAWEI,REDMI and other brands.