Halcyon Technology Public Company Limited manufactures, distributes, imports, and sells cutting tools, jigs and fixtures, and custom metallic devices in Thailand and internationally. It operates in three segments: Manufacturing and Selling of Customized Cutting Tools; Importing and Selling of Cutting Tools; and Manufacturing and Selling of Metal Fabricated Products. The company offers a range of cutting tools including PCD, carbide, and cermet drills, reamers, end mills, inserts, boring bars, face mills, and form tools, as well as monocrystalline, single crystal diamond, natural diamond, and polycrystalline carbon boron nitride tools, tool holders, and metal fabricated products. It serves manufacturers of electronic, automotive, hard disk drive, and aerospace parts, and other mechanical-related industries. Founded in 2002, it is headquartered in Bangkok, Thailand.