| タイプ | Manufacturer |
|---|---|
| ウェブサイト | https://www.sdgi.com.cn/ |
Shenzhen SDG InformationCo., Ltd. is one of the earliest state-level high-tech corporations who firstdedicated to developing and producing optical cable, fiber, communicationequipment in China. Major businesses of SDGI include optical fiber, cable,power optic cable, indoor cable, communication equipment, and electroniccomponents, etc.