Coretree Co., Ltd.

Currently, Coretree has over 50% of domestic market share for small-capacity IP-PBX (less than 50 users). And with the highest supply records, is firsthand subcontractor in small-capcity field Korea Telecom, and no. 1 company area M/S ...

Address：#302, Migeon techno world 1cha, 199, Techno 2-ro,  Yuseong-gu, , DaejeonBusiness type：Manufacturer

Fiberpia Co.,Ltd.

Address：2F, 702, Tamnip-dong, Yuseong-guBusiness type：Trading Company

Essetel Inc.

ESSETEL, meaning essenco of telecoms, was founded to deliver solutions in the telecommunications field by developing value-added ASIC source driver software through. We will foster competitiveness develop low-cost, rapidly ...

Address：3F, 38, Daedeok-daero 220beon-gil, Seo-gu, DaejeonBusiness type：Manufacturer