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  • 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

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

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  • 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

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

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

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  • 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

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

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About US

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.

Contact Us

  • Company Address:No.1119, Science Avenue, Shangjie District, Zhengzhou.
  • : +86-371-68000368 +86-371-68005116
  • : +86-371-68006988
  • : [email protected]

LATEST Products

  • Glass Reactor Grf-100

    Glass Reactor Grf-100

    The glass reactor is a generic term for …

  • Temperature Control System Lt

    Temperature Control System Lt

    it is mainly used to supply ultra-low te…

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