CYX23/25 series oil injection core pressure sensor is a joint type flat membrane sensor. Selection of internationally advanced high-stability, high-precision silicon pressure chips, using stress-optimized sintering seats, through patch, gold wire bonding, diaphragm welding, high vacuum oil injection, pressure cycle stress relief, high temperature aging, temperature compensation, etc. Craft production. Thirty years of research and production experience and process innovation have made the products have excellent stability and excellent performance, and have been widely recognized by users.