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we areGreatwall
Founded in 1988, Zhengzhou Greatwall Scientific Industrial and Trade Co., Ltd. has grown to be a technological innovative enterprise integrated with researching, developing, manufacturing and modern management.
Over decades of R&D and continuous technological innovation, we have provided professional equipment for research and industrial applications like chemical, biological, pharmaceutical industries, new materials, new energy, electronics, metallurgy, petroleum, mechanics and... other fields.
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August 03,2018
How to choose a rotary evaporator
A rotary evaporator can be used with a recirculating chiller and vacuum pump for efficient distillation.
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