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Henan Jingna Microelectronics Technology Co., LTD., currently the first and only one in China using silicon nitride layering technology to make thick film circuit functional devices of high growth, high-tech enterprises, specializing in high-end functional ceramic materials research and product development, the main ceramic capacitive pressure sensor chip, thick film circuit, ceramic substrate, silicon nitride functional ceramics 4 products. Has a strong technical team, strong research and development capabilities, with core independent intellectual property rights. The products have been recognized and praised by customers at home and abroad, and various high-performance sensors and functional ceramic devices can be customized.