Shenzhen Ysun Technology Co., Ltd, established in Shenzhen in 2004, as a professional manufacturer and exporter of consumer electronic products, such as power bank & speaker. All of our products with CE/ROHS certificate approval, turned out from our factory with ISO9001: 2000, ISO14001: 2004 approvals. We owned a factory with 3000 square meters, with 500 staff ...
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