The sia Group, with its headquarters in Frauenfeld, Switzerland, is one of the world's three leading uppliers of innovative abrasive systems. It develops, manufactures and markets complete abrasive systems, tailored to specific requirements and applications, for the surface treatment of every type of workpiece. These products turn sanding and grinding into surface technology. sia Abrasives employs approximately 1150 personnel worldwide and is represented with partners in over 80 countries.

 Carbide has a new name. It is called CERATIZIT.
This is how the companies CERAMETAL and PLANSEE TIZIT announced their merger in November 2002. Having common roots and cultural backgrounds and with a joint-venture for the development of carbide as a basis, the merger of the two companies proved to be the perfect match.

Torama Asahi Mandiri is one of Gerfa Group manufacturing company focused in special tools makers and stricly positioned to be national holder maker. Torama Asahi Mandiri would like to help national manufacturing industries for design, build and making holder specifically needed, started from design up to finishing, also developing holder process as one of key to increase machining eficiency.