Zhengzhou Great Wall Technology & Trade Co., Ltd. was founded in 1988, is a research and development, manufacturing, service as one of the scientific and technological innovation enterprises, the company's products in the national colleges and universities, research institutes and biological, chemical, pharmaceutical, electronics, materials and other fields have a high market share, cooperation customers all over Asia, Europe, the United States, Australia four continents.

The company has three main line products: high and low temperature source and temperature control, vacuum acquisition and control, separation and reaction equipment and control. Closed refrigeration heating cycle device (fluid temperature control system), circulation cooler, high temperature circulator, low temperature constant temperature stirring reaction bath, pilot low temperature equipment, diaphragm vacuum pump, circulating water type multi-purpose vacuum pump, vacuum controller, rotary evaporator, glass reactor, heat collection constant temperature magnetic stirring bath and other more than 10 series, more than 100 types of experimental instruments.