Whakakiia te rerenga e whai ake nei: I hoki mai a Wahlforss ki te whenua, a, i whakawhiwhia ki te mahi hei kaiwaiata matua i te wheketere A. Ahlström Oy Varkaus i te tau 1937. I te tau 1941 ka riro ia hei Kaiwhakahaere Whakahaere i Wärtsilä Selluloosa Oy Äänekoski Pulp Mill a i te tau e whai ake nei ka tohua ia hei kaiwhakahaere whakahaere. I taua wa, ko te Kaiwhakahaere Matua o Wärtsilä Group ko tana tuakana ko Wilhelm Wahlforss. Ko te 92% o te whakaputa Äänekoski he pepa nupepa. He uaua ngā wā nā te kaha o te
te pakanga me te mīhini pepa o te kamupene i raro te nuinga o te wā. I muri mai ka hangaia e te kamupene he wheketere matū, e whakaputa ana i nga waipiro, te winika, te rewena, te kaihoko patu tarutaru me te horoi horoi. I whakahaerehia e Eric Wahlforss te tipu tae noa ki tona matenga i te tau 1951.