Shenzhen Telifeng Technology Co., Ltd.

Shenzhen Telifeng technology Co., Ltd. specializes in the innovative use of to produce electronic educational products. Our "OID talking pens" and teacher's pointers" are first their kind world "invisible" OID code (Optic Identification/Optic Index ...

Telephone：086-0755-29995006Address：LIFENG building 71 zone .BAOAN district liuxian 1road shezhen china