Thejntc

JNTC (제이앤티씨) is a South Korean manufacturer of core electronic components. Its product portfolio spans three business lines: AI, covering TGV (through-glass via) glass substrates for semiconductors; IT/Auto, covering tempered window cover glass for mobile devices, camera window cover glass, IT window cover glass, automotive cover glass, wearable glass, ultra-thin glass for foldable, stretchable and rollable form factors, and gaming window cover glass; and connectors, including USB series, card socket series and board-to-board and other series.

The company was established in 1996 and reports consolidated revenue of 185.6 billion Korean won as of year-end 2025 and 1,644 employees including its Vietnam and Qingdao subsidiaries. It operates four production and sales bases across three countries. Group and affiliate entities listed by the company include JNT Group, JNTE, JNTG, JNTC VINA in Vietnam and Qingdao JNTC Co., Ltd. in China.

JNTC maintains an in-house research organization with disclosed activity across core technologies, R&D roadmaps and intellectual property, and publishes investor relations materials including disclosures and IR briefings.

Business model

JNTC manufactures and supplies electronic components — cover glass, ultra-thin and automotive display glass, glass substrates for semiconductors, and high-function connectors — to global device makers, operating its own plants in Korea, Vietnam and China.

Traction

Consolidated revenue of 185.6 billion KRW as of year-end 2025; 1,644 employees including Vietnamese and Chinese subsidiaries; four production and sales sites across three countries.

Latest developments

In May 2025 the company reported completing what it describes as Korea's first semiconductor glass substrate plant, with mass production targeted for the second half of the year. It held an investor relations briefing in June 2025, and in December 2025 was covered by Worldfolio on its glass processing technology for AI and automotive industries.