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Zhengzhou Greatwall Scientific Industrial and Trade Co., Ltd.

has grown to be a "technological innovative" enterprise integrated with researching, developing, manufacturing and modern management. .

  • Project
  • Design of A Rotary Evaporator

    Design of A Rotary Evaporator

    The vacuum system used with rotary evaporators can be as simple as a water aspir…

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  • What is Plug Flow Reactor

    What is Plug Flow Reactor

    In a Plug Flow Reactor (PFR), sometimes called Continuous Tubular Reactor (CTR),…

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  • Automating Solvent Removal

    Automating Solvent Removal

    Raw cannabis was obtained by supercritical fluid CO2(SFC) extraction of cannabis…

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  • How To Clean A Rotary Evaporator

    How To Clean A Rotary Evaporator

    A rotary evaporator is suitable for the experiment of evaporation, distillation …

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  • Bench-top Recirculating Chiller

    Bench-top Recirculating Chiller

    Zhengzhou Great Wall produces different models of Bench-top Water Circulating Va…

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  • Jacketed Glass Reactor

    Jacketed Glass Reactor

    Jacketed glass reactor, also known as glass lined reactor, is a device that is d…

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  • Batch Reactor and Continuous Reactor

    Batch Reactor and Continuous Reactor

    Reactors can be divided into two broad categories, batch reactors and continuous…

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  • Water Circulating Vacuum Pumps

    Water Circulating Vacuum Pumps

    Bench-top Water Circulating Vacuum Pumps take circulating water as working fluid…

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About US

‘Greatwall’ has been concerned and known as one of the most trustworthy brand in above mentioned fields. Our products have been exported to Asia, Europe, America, Australia and covered most universities, scientific research institutes and laboratories in China.

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Contact Us

  • No.1119, Science Avenue, Shangjie District, Zhengzhou.
  • Sales Hotline:+86-371-68000368 +86-371-68005116
  • E-mail: [email protected]

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