It relocated into a new expansion area in Burgos where the Polo de Desarrollo Industrial, an effort by the government of Franco to build a strong manufacturing base in poor areas of Castile and Aragon, was located in the new neighborhood of Gamonal. The company continued growing strongly after the departure of Mr. Jose Cano and under the control of Mr. Julio Cano it reached its peak as the biggest company in Spain supplying switches and plugs, with successful families such as "Arlanza", "Alpina", "Brio", "2000". Mr Cano's death in 1991 at the age of 83 marked the beginning of the end.
It moved into a new expansion zone in Burgos where the Polo de Desarrollo Industrial, an initiative by the Franco government to construct a robust manufacturing base in impoverished regions of Castile and Aragon, was situated in the newly formed Gamonal district. The company continued to expand vigorously after Mr. Jose Cano's departure and under the supervision of Mr. Julio Cano it reached its zenith as Spain's largest company providing switches and plugs, with successful families such as "Arlanza", "Alpina", "Brio", "2000". Mr. Cano's passing in 1991 at the age of 83 signaled the commencement of its decline.