• Shenzhen Greboo Technology Co., Ltd.

  Our company is a leading manufacturer, specializing in designing, developing and manufacturing talking global, Quran pen, invisible OID 2.4G/5G TV video kids audio book blind speaking pen with tactile rec. stickers etc. We provide one-stop product design, service for clients offer ...

  Telephone：86-0755-86111481Address：Room 602, Building 134 Pinshan Village, Xili Town,Nanshan District

• 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