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. It operates through 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 endmills, inserts, and boring bars; PCD face mills and hollow tools; monocrystalline, single crystal diamond, and polycrystalline cubic boron nitride cutting tools; and metal fabricated products. It also exports its products. The company was founded in 2002 and is headquartered in Bangkok, Thailand.