ADOLF JAHNSEN AS ni mtoa ya bidhaa na huduma kama vile sakafu, ngumu,sakafu, softwood,sakafu, mbao kigeni,sakafu, mianzi,sakafu, plywood,sakafu, composite kuni,sakafu, composite kuni, brushed,sakafu, mbao, parquet,sakafu, mbao strip,sakafu, mbao, laminated,sakafu, mbao, kitako jointed,sakafu, mbao, kabla ya kumaliza,sakafu, mbao, msimu, kukulia,sakafu, mbao block, viwanda,sakafu, mbao, usafi, jointless,sakafu na decking, mbao, yatakuwa sugu,sakafu, mbao, kwa kucheza na skating,akitengeneza vitalu, mbao,mitaala kwa sakafu ya mbao,kumaliza kazi,miundo kazi.