(EnergyAsia, February 8) — China Aviation Oil Singapore (CAO) said it has signed an agreement to sell off 41% of its 80% stake in Xinyuan to Shenzhen Juzhengyuan Petrolchemical Co. Ltd, already a shareholder in Xinyuan. CAO previously held an 80% share in Xinyuan while Juzhengyuan held 19%, with the remaining 1% held by China…