Additel Corporation, headquartered in Irvine, California, USA, is a global professional provider of industrial calibration solutions. The company focuses on the R&D, production and sales of pressure calibration instruments, temperature calibration equipment, process calibrators, manual pressure pumps, automatic pressure calibration systems, digital pressure gauges and calibration software. With superior precision and stability, Additel's products are widely applied in aerospace, petrochemical, electric power, pharmaceutical and professional metrology laboratories, providing complete and reliable calibration support for industrial quality control and precision measurement.