Standard Testing is headquartered in Qingdao, and has built multiple professional experimental bases and dozens of branches in Central China, North China, East China, South China, Northwest China, Northeast China, and Southwest China. Stander has the qualification of inspection and testing agency (CMA) and its laboratory has been accredited by the China National Accreditation Service for Conformity Assessment (CANS) and obtained weapons and equipment quality management system certification. It has built rail transit, new energy, electronic appliances, automobiles, and energy. Chemical engineering, biomedicine, omics analysis, pharmaceutical research and development, medical equipment, environmental monitoring, site investigation, soil testing, hazardous waste identification, instrument analysis and other professional laboratories. The integrated service platform established by Stander across the country can quickly respond to customer needs and provide customers with close-range, localized professional services. It can provide inspection and testing, analysis and research and development, measurement and calibration, certification consulting, intellectual property rights, etc. for enterprises in various industries. One-stop professional service.