35+ Years Experience
Zhengzhou Greatwall Scientific Industrial and Trade Co, Ltd (GWSI) has 35+ years manufacturing experience on rotary evaporators, glass reactors , lab vacuum pumps and temperature control systems. You can customize your glass reactors and import explosion proof rotary evaporators & glass reactors from GWSI.
GWSI is Postgraduate Internship Base of Zhengzhou University and Zhengzhou Light Industry University.
GWSI established laboratory together with Shenyang Pharmaceutical University and Inner Mongolia University respectively.
GWSI is European Designated Laboratory Equipment Supplier.
240+ workers in GWSI factory to produce rotary evaporators & glass reactors and more lab instruments in high efficiency.
Mini rotary evaporator workshop, large scale rotary evaporator, glass reactor workshop and temperature control products workshop.
Standardized process workshop such as sheet metal workshop, low temperature workshop and assembly workshop.
GWSI has 5 senior engineers and 25 engineers to develop new function of rotary evaporators and glass reactors.
Professional technical support team including product design engineers, product development engineers, production support engineers and program engineers.
GWSI has Product Test Center to provide real test data for product application.
GWSI founded as Zhengzhou Greatwall Scientific Industrial and Trade Co., Ltd and successfully developed Water Circulating Vacuum Pump SHB-III.
Water Circulating Vacuum Pump won China Golden List Technology and Products.
Successfully developed the first -80℃ low temperature coolant circulating pump for laboratory equipment industry in China.
GWSI developed -100℃ low temperature recirculating chillers.
GWSI was recognized as a high-tech enterprise for lab equipment.
GWSI invented China first Cooling Heating Circulator to provide high & low temperature circulating liquid.
GWSI successfully developed the first lifting glass reactor in China.
GWSI new R&D centre factory was put into use
Recognized as a provincial enterprise technology center.
Recognized as a provincial e-commerce demonstration enterprise.
GWSI invent new types of rotay evaporator.
GWSI have rich experience in cooperating with agents, distributors & brands manufacturers and can provide product & technology and after-sales training.
For overseas brand manufacturers, if you want to use your brand to sell our products, GWSI can provide OEM&ODM services.
As a manufacturer with R&D capabilities for more than 30 years, our products are constantly updated, and we have sustainable supply capabilities.
