BEIJING, July 30 (Reuters) - China’s politburo, the country’s top decision-making body, said on Friday it would maintain the stability, continuity and sustainability of its macro policies in the second half and ensure economic growth within a reasonable range, the official Xinhua news agency said. A proactive fiscal policy would need to be more effective, said the politburo after a meeting on the economic conditions. (Reporting by Stella Qiu and Gabriel Crossley; Editing by Alex Richardson) Our Standards: The Thomson Reuters Trust Principles.