Why does China Construction Bank SMS have two different bank emblems?

The inner square and outer circle graphics based on ancient copper coins have clear banking attributes and focus on embodying the "square and round" characteristics of China Construction Bank. Square represents strictness, standardization and seriousness; circle symbolizes fullness. , affinity and accommodation. The changes in the upper right corner of the graphic form an overlapping three-dimensional effect, representing the English abbreviations of "China" and "Architecture", that is: the overlap of two C letters, which means accumulation, symbolizing the development and growth of China Construction Bank in the process of accumulation of funds, and for China Provide services for economic construction. The graphic breaks through the closed circle, symbolizing the integration of ancient culture and modern business concepts, and implying that China Construction Bank is rooted in China and facing the world in the new modern economic construction. The standard color is sea blue, which symbolizes rationality, tolerance, peace and stability, and implies that China Construction Bank absorbs and accommodates talents and funds from all parties like the sea.