| Guangzhou City Hiyoo Earphone Factory | | Address：Yongtai town，Baiyun district，Guangzhou city，Guangdong province，China | | Tel：0086-20-86057667 0086-20-86059002 | | Fax：0086-20-86059002 | | Mr Li：013794318421 | | QQ：286640745 | | Email：rich1994@126.com | | Http://www.rich1994.com |
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