GWSI commits to meeting your needs by putting quality first. As such, we provide an accident-free and encouraging work environment for our employees to optimize our overall productivity. Adopting strategies for product personalization, brand internationalization, customer localization, and humanized service has sustained our business and increased sales among global clients in Europe, Asia, South America and the United States.
Winning bids for over 100 university laboratory projects across four continents, we have exported to Chile, Peru, American universities and Turkish state-owned research institutions. Supplying rotary evaporators, glass reactors, cooling and heating circulators, GWSI has committed to supporting scientific and technological advancement.
At GWSI, our relationship with the customers does not end with the delivery of the products. Our technical and service department is ready and eager to provide support when it’s needed. You can expect prompt and competent support for any concerns you may have, whether related to initial installation, repairs, or operation of your equipment.
Exclusive Agent located in USA, Canada, and South Korea.
Our products have exported to Russia, Germany, Italy, France, Spain, Israel, Romania, Australia, Mexico, Peru, Malaysia, Vietnam, Pakistan, Sri Lanks, Saudi Arabia, Egypt and other countries
Founded in 1988, our company has since served labs and industries with a solid network of research facilities and businesses.
With 25 engineers in our R & D department in 2014, we eventually earned CE qualifications for our TCUs in 2018.
We invited Dr. Winter Cross from SES Germany to provide technical guidance to our teams for three weeks in 2011.
Establishing an international business department in 2006, we produced the rotary evaporator in 2008 and coated glass reactor in 2009 for wider markets.
In 2005, we were able to reach a record-breaking minimum temperature of -120 Celsius degree for our temperature control products.
We have got an exceptionally passionate team here at Greatwall ready to help you find possible solutions for optimum performance.
Have any questions about our products or services? Our well-trained personnel is at your disposal.