Shijiazhuang SUIN Instruments Co., Ltd. is recognised as the High-tech Enterprise in Hebei province. The company has set up the Shijiazhuang Industrial Design Center, the Hebei Industrial Design Center, and the A-level R&D Institutions of Industrial Enterprises, aiming to study the key generic technology in the electronic measuring instrument industry and to design and development new types of digital and intelligent electronic measuring instrument with independent intellectual property rights and advanced technology. The company’s products are widely used in national defence, scientific research, measurement, production, education and other fields. So far, the company’s spectrum analyser, frequency counter, and digital measuring instrument have shown the important and unique advantages of the company.