Ville & Sebastian Avoin Yhtio is a energetic and creative team with skills. Our passion is create essential equipments and solve customer problems. High Quality and service are our goals and of course happy customer.Companys Sales Manager Sebastian Vaajakari from Finland founded a company and started to design and develop ozone machines and equipments. In January 2013 OzoneGenerator/SV-Trade Limited signed an contract with manufacturing company and they started to built a future together.