Address:NO.110, Ruyi South Road, Ailian Community,

Longgang District, Shenzhen City, Guangdong Province
Tel:(+86)-755-89230332

Mob: (+86)-186-88832546

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Headquarters: Shenzhen Tianyan Group has Shenzhen Tianyan Electronics Co., Ltd. and Shenzhen Yumingxing Technology Co., Ltd.. (Now we has two brands: Tianyan and Yuming.)
 
Major products: Student Function Calculator,, Repeater, Learning Machine and Educational Equipment Industry Product Solutions
 
Address: No. 110, South Road, Ailian Road, Longcheng Street, Shenzhen, Guangdong, China
 
Group Website: www.tyjtw.com
 
 
Switchboard
 
Shenzhen: 0755-28991459
 
Fax: 0755-28996955
 
Email: sztydz@163.com
 
Sale Department
 
Alice:
 
Tel: +86 0755-89230332        MP./WeChat: +86 13544256762
 
WhatsApp: +86 13544256762      Skype: szliyinfeng

E-mail: sales01@tyjtw.com 
 
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Tel: 13510355148/13689515148
 
Email: sztydz@163.com