Adtech21
1 known investors
South Korean manufacturer of PE, PVC and PET surface protective tapes and semiconductor dicing tapes.
Also known as ADT Co., Ltd. · ADTech Co., Ltd.
Investors · 1
Company profile
researched Aug 2026ADTech Co., Ltd. is a South Korean manufacturer of adhesive tape products, marketed through a trade portal under the adtech21 name. Its catalogue consists of surface protective tapes in PE, PVC and PET film formats, along with UV-curable and non-UV dicing tapes. The products are positioned for surface safety and protection during handling and processing.
The company is based at 61-6, Seokjeong-ri, Daegot-myeon, Gimpo-si, Gyeonggi-do, South Korea, and is led by president Young Ju Yoon. Its products are classified under industrial supplies categories covering PVC plastic raw materials and other rubber products. Employment is reported in the range of 1-50 people. A related listing for ADT Co., Ltd., a South Korean company reporting 51-100 employees and main markets in China, the United Kingdom, Taiwan and the USA, gives adtech21.com as its homepage.
Business model
The company manufactures and sells industrial surface protective and dicing tapes, listing its products on a business-to-business trade marketplace where buyers submit inquiries directly to the company.
▸Full profile — technology, go-to-market, geography
Technology
Product lines include PE, PVC and PET protective tapes and both UV-curable and non-UV dicing tapes.
Go-to-market
Products are listed on the tradeKorea B2B marketplace with inquiry forms and direct telephone contact for prospective buyers.
Companies in the electric, electronic, steel, plastic, aluminum, PVC, polycarbonate and home appliance industries.
Geography
Headquartered in Gimpo-si, Gyeonggi-do, South Korea, with stated main export markets in China, Hong Kong, Malaysia, the Philippines and Taiwan.
Compiled by commissioned research from 7 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
▸Research sources · 7
primary sources listed
- Tradekoreaadtech21.tradekorea.com · web
7 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Adtech21 do?
- South Korean manufacturer of PE, PVC and PET surface protective tapes and semiconductor dicing tapes.
- Who are Adtech21's investors?
- Adtech21's investors include Atinum Investment Co. Ltd..