About us



Excellent case of public technology commercialization at the 2020 R&D Special Zone Technology Commercialization Award (Awarded in the Research and Development Business Division)

Completion of new factory in Haman-gun, Gyeongnam

Confirmation of material/part/equipment specialized company (Korea Institute of Industrial Technology Evaluation and Planning)

Material/Parts/Equipment Core Strategic Technology Confirmation (Ministry of Trade, Industry and Energy)

Busan R&D special zone technology-intensive project subsequent advancement selection: pouch-type CPP film follow-up advancement

BIG-3 Small and Medium Venture Company Selected as an innovative growth company (future automobile sector): Increase sales through commercialization of pouch-type mid-to-large lead tabs

Designated as a promising export SME

Korea Environment Industry Corporation's mid-to-large-size lead tab project selection: Increase sales through commercialization of pouch-type mid-to-large lead tabs


Participate in PowerGen International 2019 booth

Korea Industrial Corporation project selection: Success in developing raw material resin

Busan R&D special zone technology intensive business selection: pouch-type CPP film source technology secured and export commercialization

2018 ~ 2017

ISO 9001 Certification: Manufacturing/development/research of CPP film for lead tab film and pouch

Small and Medium Business Administration Research Village Project Selection: Successful development of lead tab welding machine

Changed company name to Best Energy

Selected as a family company by Korea Institute of Basic Science (No. 2)

Installation of extrusion equipment in the production plant in Haman-gun, Gyeongsangnam-do

2016 ~ 2015

Registered as a research institute company: 20% stake in Korea Basic Science Institute (KBSI)

Venture business registration

Establishment of research institute affiliated with Cheil Special Materials

Establishment of research building in Jisa-dong, Busan


Production and product approval of film prototypes for medium and large-sized secondary batteries

Establishment of Cheil Special Materials Co., Ltd.