GWSI Products

GWSI is a certified manufacturer of quality rotary evaporators, glass reactors, and temperature control units. We can also customize our equipment and offer additional accessories.

Our Products Advantages and Benefits

We manufacture laboratory equipment with a versatile usage such as dehydrating, distilling, and mixing solvents. GWSI also takes into account precision controls, ergonomic handling, and other useful features when creating our rotary evaporators, glass reactors, and temperature control units.

Rotary Evaporators

Laboratory Rotary Evaporator

Up to 2L

Large Rotary Evaporator

5L  10L  20L

Industrial Rotary Evaporator


Glass Reactors

GWSI glass reactors provide a stable and long-lasting vessel for chemical synthesis and other processes. We offer 1L to 100L volume glass reactors as well as different add-ons for laboratory or industrial applications.

Temperature Control Unit

Used to heat, cool, and manage the temperature of fluid for a specified task, temperature control units act as vital pieces in several industries including pharmaceutical, chemical, and industrial fields.


Vacuum Pumps

Our vacuum pumps are designed for drying, evaporation, distillation, crystallization, and filtration pressure purposes. Suitable for colleges, universities, chemical, research institutes, food, and agriculture.


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We have got an exceptionally passionate team here at Greatwall ready to help you find possible solutions for optimum performance.

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Have any questions about our products or services? Our well-trained personnel is at your disposal.

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