Energy technology know-how from design to implementation Oy Clean Flame Ltd. is a technology company founded in 1986 in Varkaus, whose main business is burner system deliveries. We also design and manufacture other engineering products as well as energy technology products and equipment. Our turnover exceeds three million euros and our total number of employees is 30 people. At your service: Oy Clean Flame Ltd. Leijukuja 10 FI-78210 Varkaus, Finland