国产小祖宗
[guó chăn xiăo zŭ zōng]
The term '国产小祖宗' literally means 'Domestic Precious Treasure.' Here it’s used affectionately to refer to something (often a child or pet) considered incredibly precious and irreplaceable. People may also use this name to emphasize the unique importance of things that are Chinese-made, highlighting national pride and heritage.