Chandra Asri Group Proyek Strategis Nasional (PSN) Danantara Indonesia Indonesia Investment Authority (INA) Conditional Share Subscription Agreement (CSSA) produksi Caustic Soda dan Ethylene Dichloride (EDC) domestik ketahanan pasokan dalam negeri PT Chandra Asri Pacific Tbk TPIA pabrik Chlor Alkali – Ethylene Dichloride (CA-EDC)