All Nippon Airways Co. and Singapore Airlines Ltd. will launch joint fare products for flights between Japan and Singapore starting in September as they deepen their commercial partnership, the two carriers said Thursday.The two Star Alliance carriers signed a deal the same day to launch a joint venture aimed at providing customers with enhanced flight connectivity beyond their existing codeshare arrangement.Subject to regulatory approval, the two companies also plan to deepen cooperation in key markets including Australia, India, Indonesia and Malaysia, they said in a joint statement."Cust…READ FULL ARTICLE