This coating die is fabricated through the CNC precision machining process. Every detail has been meticulously crafted, and the machining precision reaches the micrometer level. From the slit width of the die to the overall structural dimensions, all are strictly controlled within extremely narrow tolerance ranges, ensuring that during the lithium battery coating process, the coating materials can be evenly and precisely coated onto the electrode sheets, thus laying a solid foundation for the high performance of lithium batteries. It meets the requirements of industry giants and is of reliable quality.