Dhaka, July 25 Partnerships must be built on transparency, accountability and balanced negotiation, a report has highlighted while citing Bangladesh's growing engagement with China. It argued that the key question is whether Bangladesh will protect its national interests with equal clarity, confidence and foresight.According to a report in Bangladesh’s newspaper, Daily Sun, the ties between Dhaka and Beijing have entered a new phase following Bangladesh’s Prime Minister Tarique Rahman's visit to China last month which yielded an extensive package of agreements covering infrastructure, trade, education, healthcare, defence and party-to-party cooperation.“Closer ties with the world's second-largest economy are not unusual. But…