Hangzhou Zhongchuang Electronics Co., Ltd. Is a professional manufacturer integrating the research, production and sales of "East Tester" series of measuring instruments. At present, the company has more than 120 employees, and has a strong R&D team of more than 30 people. Among them, there are 17 high-tech talents with intermediate or senior titles or master's degrees. The factory is located in Kangqiao Industrial Park, North Software Park, Hangzhou. The company covers an area of 7, 300 square meters and a building area of 17, 500 square meters.

In 1998, the company began research and development of thermal process inspection instruments, and has developed portable signal calibrators, multi-channel bench-top signal generators, portable pressure calibrators, benchtop thermal calibrators, oil tank sinks, etc.; The company began research and development of electronic measuring instruments, and has developed combined DC signal calibrators, high-precision digital multimeters, function signal generators, digital bridges and other products. The company's products have been widely used in electric power, petroleum, chemical, metallurgy, metrology, railway, textile, environmental protection, electronics, energy and other industries.