Finished registration of new factory

Selected as [Gyeongbuk PRIDE] company

Awarded for Ten-thousand-dollar Export trophy

Approval for new factory in Gumi City Hightech Valley

Awarded for [Proud Small and Middle Entrepreneur]

Selected as [Priliminary Unicorn Company],

first time in Gumi City

Awarded for [Industrial Medal for Person of Merit in

Small and Medium Enterprises]

Selected as [Kibo-Star Valley Company]

Start Constrcution for new factory in

Gumi City Hightech Valley

Awareded for technology innovation prize

(by Commissioner of the Korean Intellectual Property Office)

Awarede for Best Entrepreneur Prize (by Gumi City)

[Small and Medium Business] Grand Prize

(Gyeongbuk Province, business innoviation section)

[Funding Rounds] Series A2 / SI (MiCo.)

Started Mass production for Micron Singapore Silicon parts

Enlisted as Tier 1 supplier of Samsung Electronics

Started Silicon Ingot Mass production

Selected as national R&D project company on developing

CaF2 Single crystal ingot original technology

[Funding Rounds] Series A / FI (VC)

Started Silicon ingot material business

Aquired OCI Specialty Cheon-An factory

Selected as Youth-friendly hidden Champion company by government

SELIG co.ltd. established (100% owned Subsidiary)

Investment on Silicon Part Manufacturing Line expansion

Aquired HF(hydrofluoric Acid) Etching permission

SEMICON JAPAN(TOKYO) 2019 EXHIBITION

SEMICON TAIWAN 2019 EXHIBITION

ISO9001&14001 QUALITY ENVIRONMENTAL MANAGEMENT CERTIFICATION

SELECTED AS MID SIZED START UP LEAP PACKAGE BUSINESS

MOU WITH GTAT TO ENTER US SEMI MARKET

CLOUD BASED SMART FACTORY R&D PROJECT

SEMICON CHINA(SHANGHAI) 2019 EXHIBITION

SEMICON KOREA(COEX) 2019 EXHIBITION

DEVELOPMENT OF LARGE DIAMETER SAPPHIRE WINDOW(22” / 23”)

ATTRACTED INVESTMENT FROM DOMESTIC ASSET MANAGERS FOR THE SECOND TIME

WON GUMI MAYOR’S AWARD FOR CLEAN MANAGEMENT ACT

SEMICON JAPAN(TOKYO) 2018 EXHIBITION

DESIGNATED AS A TALENT DEVELOPMENT SMALL BUSINESS

PROMIISING EXPORT FIRM

SEMICON TAIWAN 2018 EXHIBITION

SELECTED AS A PARTNER OF HYNIX/SHARED GROWTH PROGRAM

SELECTED AS SUCCESSFUL EXPORT PACKAGE BUSINESS

SEMICON CHINA(SHANGHAI) 2018 EXHIBITION

SEMICON KOREA(COEX) 2018 EXHIBITION

INVESTMENT IN PRODUCTION LINE FOR Si RING, CATHODE PARTS

RECEIVED GYEONGGI PROVINCIAL GOVERNOR AWARD(EXCELLENT VENTURE COMPANY)

EXPORT FRONTIER COMPANY CERTIFICATION

EXTENSION AND RELOCATION TO GUMI NEW BUILDING(AREA10,000sqm²)

PATENT REGISTRATION (SAPPHIRE EDGE RING MANUFACTURING METHOD)

Patent No. 10-1739795

SELECTED AS A FIRST STEP IN EXPORT BUSINESS

CERTIFIED AS PARTS MATERIALCOMPANY

SEMICON KOREA(COEX) 2017 EXHIBITION

SEMICON JAPAN(TOKYO) 2016 EXHIBITION

CERTIFIED AS INNOBIZ COMPANY

ATTRACTED INVESTMENT FROM TECHNOLOGY GURANTEE FUND

DEVELOPMENT AND MASS PRODUCTION OF SAPPHIRE SIDE NOZZLE FOR HDP CVD EQUIPMENT

DEVELOPMENT OF ETCHING PROCESS FOR SAPPHIRE AND DOUBLE JOINT NOZZLE

DEVELOPMENT OF CVD SiC RING PROCESSING / SURFACE TECHNOLOGY DEVELOPMENT

RECERTIFIED VENTURE COMPANY

DEVELOPMENT AND MASS PRODUCTION OF SAPPHIRE PLASMA FOR HDP -> CVD EQUIPMENT INJECTOR

OBTAINED ISO CERTIFICATION

ESTABLISHED CERTIFIED COMPANY AFFILIATED UNDER RESEARCH INSTITUTE

MOVED FIRST BUILDING TO GWANGJU, GYEONGI-DO

CERTIFIED TECHNOLOGY VENTURE FUND

DEVELOPED ALUMINIUM REFLECTOR FOR K1 ARMOURED VEHICLE

DEVELOPED POROUS CERAMIC VACUUM CHUCK

SAPPHIRE SURFACE PROCESSING TECHNOLOGY DEVELOPMENT

ESTABLISHED COMA TECHNOLOGY CORPORATION