▁an ▁excellent ▁material ▁for ▁fire p laces . ▁ ▁N unn an lah den ▁U uni ▁O y ▁was ▁founded ▁in ▁ 1 9 8 2 ▁and ▁the ▁company ▁began ▁industrial ▁production ▁of ▁heat - pres erving ▁fire p laces ▁during ▁the ▁same ▁year . ▁At ▁the ▁beginning ▁of ▁ 2 0 0 7 , ▁the ▁company ▁handed ▁over ▁its ▁production , ▁sales ▁and ▁market ing ▁functions ▁to ▁its ▁subs idi ary ▁company , ▁N un na U uni ▁O y . ▁At ▁the ▁moment , ▁N un na U uni ▁O y ▁is ▁the ▁largest ▁priv ately ▁owned ▁company ▁in ▁its ▁field ▁in ▁Finland . ▁The ▁company ▁has ▁participated ▁in ▁numerous ▁co - oper ational ▁research ▁projects ▁and ▁it ▁also ▁conduct s ▁research ▁and ▁product ▁development ▁on ▁its ▁own . ▁Due ▁to ▁its ▁research ▁and ▁product ▁development ▁efforts , ▁the ▁company ▁has ▁approximately ▁ 6 0 ▁registered ▁pat ents ▁and ▁ 1 0 0 ▁product ▁models ▁registered ▁for ▁protection . ▁ ▁Company ▁history ▁ ▁N unn an lah den ▁U uni ▁O y ▁was ▁founded ▁ 2 5 ▁years ▁ago ▁on ▁the ▁ 5 th ▁of ▁August , ▁ 1 9 8 2 . ▁The ▁company ▁started ▁its ▁industrial ▁production ▁in ▁a ▁small ▁ 7 0 ▁square - met re ▁gar age ▁and ▁had ▁ 4 ▁employees ▁in ▁addition ▁to ▁its ▁founder ▁and ▁CE O , ▁Ju h ani ▁Le h iko inen . ▁In ▁ 2 5 ▁years , ▁the ▁company ▁has ▁grown ▁to ▁one ▁of ▁the ▁most ▁successful ▁companies ▁operating