- 2015-11-11 Video about Larsson & Kjellberg CUSTOMER IN FOCUS The company is today a complete partner with a modern welding and machine workshop. Our know-how and our resources provide great opportunities and long-term solutions of high quality. QUALITY Larsson and Kjellberg have always strived to maintain very high quality and we certified ourselves for ISO 9002 already in 1995 and according to ISO 9001 in 2003. In February 2013 we were also certified according to ISO 3834-2 and in 2014 according to. EN 1090-1 - AB Larsson & Kjellberg, Verkstadsgatan 9, 613 41 OXELÖSUND. Tel: + 46- (0) 155-29 29 90 E-mail: info@larssonkjellberg.se - . >>>