(EnergyAsia, February 21) — A China-based corn-derived sweetener and biofuels producer, Luzhou Bio-chem, has launched an initial public offer (IPO) of its shares in Singapore to raise net proceeds of RMB 111.7 million. (US$1=RMB8.05 and S$1.62). The company’s offer to sell 100 million new shares at S$0.25 each will close on February 22 at noon….