- +86-20-84712079 / 0757-28889418
- youily@139.com
Guangzhou Shengyi Acoustic Technology Co., Ltd.
3F, No. 5, Xinliumu Road, Zhongcun Street, Panyu District, Guangzhou, Guangdong, China
Tel: +86-20-8471 2079
+86-0757-28889418
Mob/Whatsapp/WeChat: +86 139 2231 9186 / 13798121416
E-mail: sales@haydnaudio.com