Feb 14, 2011. /Lesprom Network/. Botnia will increase the price of NBSK (Northern Bleached Softwood Kraft) in Europe, effective March 1, 2011, as the company said in a press release received by Lesprom Network. The new price is $980, CIF Botnia's usual European ports. The other terms remain as agreed. Botnia is the most responsible, cost-effective, pulp manufacturer for leading paper, board and tissue producers in Europe and the Far East.