Major Japanese SM producer Nihon Oxirane Co.-- a joint venture between Japan’s Sumitomo Chemical and US major Lyondell Basell has hiked its March contract nomination by $110/tonne (€85/tonne).The March contract nomination rose to $760/tonne CFR (cost and freight) Asia against February's $650/tonne CFR Asia.According to the price datas,prices in the key China market rose by more than $50/tonne from the high-$600s/tonne CFR in early February to around $750/tonne CFR in the second half of February.