Sandvik, Stockholm, Sweden, has agreed to buy Extec Screens and Crushers Ltd., based in Birmingham, UK.   ; Sandvik has also agreed to buy Fintec Crushing and Screening Ltd., Belfast, UK.   ; Extec and Fintec, respectively, are manufacturers of mobile crushing and screening equipment, including consumables and services to the international construction industry.   ; Extec employs 450 people and had sales of 1800 MSEK (US$266.4 million) in 2006. It has manufacturing facilities in Birmingham and Northern Ireland as well as sales and service facilities in Australia, the U.S. and Germany.   ; Fintec employs 325 people and had sales of 560 MSEK (US$82.9 million) in 2006.   ; Sandvik is a global industrial group focused on tools for metal cutting, machinery and tools for rock excavation, stainless materials, special alloys, metallic and ceramic resistance materials as well as process systems and sorting systems. Sandvik is in 130 countries, with annual sales of more than SEK 72,000 M (US$10.65 billion).