Zhengzhou Greatwall Scientific Industrial and Trade Co., Ltd was established in 1988. Experienced more than two decades, it is a technological innovative enterprise integrated with researching, developing, manufacturing and managing.

The company products have more than a dozen series in more than one hundred types totally, including multiple-use circulating water vacuum pump, diaphragm vacuum pump, low temperature cooling liquid circulating pump, recyclable chiller, low temperature ( constant temperature ) stirring reaction bath, hermetic Refrigerated and Heating Circulators, pilot plant low temperature refrigerated equipment, Hermetic high temperature circulators, rotary evaporator,, glass reactor, integrated thermostatic magnetic blender and other scientific experimental instrument and industrial related equipments.

Our company has become the first enterprise passed ISO9001 International Quality System Attestation in the same domestic industry.