Skyrise Group -------works to add value of recycled buyback or trades-in C/D grade used phones. Professional refurbishment of iPhone & Samsung for regional carriers, insurance providers and recycling companies. Skyrise factory --------locates in Beihai City Integrated Free Trade Zone, China. Covers 45,000 square feet, 100+ employees. Approved certificates of ISO9001, ISO14001, ISO 45001.