*ROLLS-ROYCE SAYS ASIA/CHINA TO BECOME KEY MARKET IN COMING YRS
*ROLLS-ROYCE SAYS ORDER BACKLOG WEIGHTED TO EUROPE, N. AMERICA
*ROLLS-ROYCE SAYS CHINA ECONOMY SLOWDOWN OF NO IMMEDIATE CONCERN
*ROLLS-ROYCE AEROSPACE-UNIT CHIEF TONY WOOD SPEAKS IN INTERVIEW
*ROLLS-ROYCE SAYS SINGAPORE PLANT HAS CAPACITY TO MATCH DERBY
*ROLLS-ROYCE TO BUILD UP TRENT XWB OUTPUT IN SINGAPORE FOR A350
*ROLLS-ROYCE STEPS UP PLANS FOR TRENT-ENGINE MANUFACTURE IN ASIA