- Business
- Iljin Diamond Co., Ltd. manufactures and sells industrial synthetic diamonds and superhard tool materials primarily for cutting, grinding, and machining applications in sectors including automotive, aerospace, semiconductors, construction, mining, electronics, woodworking, and oil and gas drilling. Founded in 1988 and headquartered in Seoul, South Korea, with manufacturing facilities in Eumseong and a factory in Vietnam, the company operates globally through subsidiaries such as ILJIN USA Inc. in Houston, ILJIN EUROPE GmbH in Germany, ILJIN JAPAN, SHANGHAI ILJIN DIAMOND CO., LTD in China, and ILJIN EUROPE S.A. in Belgium, serving markets in South Korea, the United States, Europe, Japan, China, and other international regions. Its core products comprise polycrystalline diamond (PCD) sintered with cobalt for ultra-precision cutting tools; polycrystalline cubic boron nitride (PCBN) with ceramic or metal binders for high-hardness machining; synthetic diamond powder and grit for saw blades, cutters, core drills, multi-wires, granite cutting, and grinding across diverse fields; cubic boron nitride (CBN) powder for broad machining uses; polycrystalline diamond compact (PDC) for oil well drilling bits; ILJIN premium synthetic diamond (IPD) with superior thermal stability for mining and heavy-duty applications; and tungsten carbide tools sintered with cobalt binders; the company also offers diamond wire and related electro-deposition equipment for enhanced slicing productivity. Recent developments include the completion of its Vietnam factory in November 2020 to support expanded production capacity; the launch of PDC products in 2015 marking entry into the oil and gas drilling market; acquisition of ILJIN Composite in November 2012 for diversification into composite materials and high-pressure tank business; entry into the diamond wire business with the second Ansan factory in May 2010; achievement of ISO 9001:2008 certification and IR52 Jang Yeongsil Award for PCD in 2009; and designation as a world-class product manufacturer for PCD by the Ministry of Commerce, Industry and Energy in December 2007, alongside continuous R&D investments broadening applications into advanced sectors like semiconductors and energy.