06/09/2013 (Reuters) - Plantation company PT Astra Agro Lestari, a unit of PT Astra International, is building a palm oil processing plant worth 100 billion Indonesian rupiah in Central Sulawesi, with a capacity of 30 tonnes of fresh fruit bunches per hour, said Djony Ady, an executive at the company, adding that the factory is expected to start operating next year.