JoinsFS's constant changes and challenges continue
2023
Feb Ground rod with earth resistance reducing agent and manufacturing method thereof
2022
Jun Patent registration of insulation fixture
Mar ISO 45001 Certification
2021
Dec Registration of a patent for a lightning rod
Jun Registration of Broadcasting and Communication Equipments
2020
Jun Registering a patent for a surge protect device.
Feb Signing a technology use contract with KEPCO
2019
Oct Engineering buiness registration
Apr Grounding plate design registration
2018
Oct KT commerce registered as partner company
May Software business registration
Apr Telecommunication construction business registration
2017
Jul JOIN trademark registration
Jul Lightning rod design registration
Jun Anyang factory registration
May MAINBIZ certification
May CHEM-EARTH NSF certification
Mar Establishment of resetch institute
Jan Lightning arrest system patent registry
2016
Dec Certification of excellent technology companies
Oct Surge protective device patent registry
Jul Lightning counter system patent registry
Feb DAELIM registered as partner company
Feb SK TELECOM Co. Ltd registered as partner company
2015
Dec ETEC E&C registered as partner company
Seb CB sertification of 4 types of surge protective device for telecommunication
Aug POSCO registered as partner company
Jun Grounding rod UL certification
Apr Electrical construction business registration
Apr KUMHO E&C registered as partner company
2014
Jun MAINBIZ Certification
Apr HYUNDAI engineering & construction co., ltd. registered as partner company
Feb Establish of a dedicated R&D department
Jan ISO 9001 Certification