Halcyon Technology Public Company Limited, together with its subsidiaries, manufactures, distributes, imports, and sells cutting tools, jig 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 polycrystalline diamond (PCD) and carbide drills; PCD, carbide, and cermet reamers; PCD and carbide end mills, inserts, and boring bars; PCD face mills and hollow tools; monocrystalline, single crystal diamond, natural diamond, and polycrystalline carbon boron nitride cutting tools; and tool holders and metal fabricated products. It also exports its products. The company serves manufacturers of electronic, automotive, hard disk drive, and aerospace parts; and other mechanical-related industries. Halcyon Technology Public Company Limited was founded in 2002 and is headquartered in Bangkok, Thailand.