TAIPEI (AFX-ASIA) – Formosa Petrochemical Corp, a member of the Formosa Plastics group, plans to invest NT$60 billion in another naphtha cracker with an annual ethylene capacity of 1.2 million tonnes at the group’s Mailiao complex, the Economic Daily News reported, citing group chairman YC Wang. (US$1=NT$35) The project will increase Mailiao’s yearly ethylene capacity…