The cash back transaction amount of Hui Jun Card Bayi is 8. 1%. According to the inquiry of Shanghai Pudong Development Bank. The cash back transaction amount of Hui Jun Card Bayi is 8. 1%. Hui Jun Card is an exclusive service card issued by the Hui Jun Project of China Yongjunyoushu Foundation. It is an innovative "double support" working mode for PLA officers and soldiers, armed police officers and soldiers, retired soldiers and their families. Provide high-quality and efficient life supporting services for soldiers and their families.