National high-tech enterprise, research and development, production and sales: 1) Stress strain gauges 2) Static strain gauges 3) Vibration testers 4) Noise testers 5) Strain gauges 6) Vibration, noise, soil pressure, water pressure and other sensors. Passed the national ISO9001 quality certification system; Dozens of software copyrights, products sold to countries and regions such as South Korea, Malaysia, Singapore, Russia, Qatar, etc.