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A novel technology of LED chip mounting way is released by JML

A novel technology of LED chip mounting way is released by JML: No LED substrate is needed, which saves the cost a lot. The outline of the PCB is printed directly on the ceramic casing (not ceramic substrate), and the chip is soldered directly on the surface as well, which helps to dissipate the heat very quickly and the LED bulb temperature stays at a rather cool status, as low as 45 degree.