singwinSINGWIN is a trademark of Shengwen Technology (Shenzhen) Co., Ltd.. Filed in September 11 (2020), the SINGWIN covers Wireless earphones.SINGWIN MARKETING PTE. LTD. (200413208R) SINGWIN MARKETING PTE. LTD. (200413208R) is incorporated on 13102004, Wednesday and is 20 years 5 months 13 days