Tiangong International Company Limited is engaged in production and sales of high speed steel (HSS), HSS cutting tools and die steel. The Company operates in four segments: High speed steel (HSS), HSS cutting tools, Die steel (DS) and Chemical goods. The HSS segment manufactures and sells high speed steel for the steel industry. The HSS cutting tools segment manufactures and sells HSS cutting tools for the tool industry. The Company produces a range of HSS cutting tools products, which is categorized into four types, such as twist drill bits, screw taps, end mills, and turning tools. The DS segment manufactures and sells die steel for the steel industry. The chemical goods segment sells purified terepthatic acid and other chemicals. Purified terepthatic acid is mainly used for production of household building materials such as blinds and covers. In December 2010, the Company acquired 20% interest in the SB Specialty Metals Holdings (SBSMH) LLP.