Zhengzhou Greatwall Scientific Industrial and Trade is an ISO 9001:2000-certified comprehensive company specializing in the R&D, production and sales of teaching instruments and equipment. We also produce water circulating type multipurpose vacuum pumps, low temperature cooling liquid circulating pumps, low temperature cycling pressure pumps, low temperature vacuum pumps, digital-control super low temperature constant temperature slots, chemical reaction experiment devices, digital display direct-current stepless speed adjustment treaters, glass container quick bakers, digital display small vacuum dry boxes, freezing vacuum dry boxes and electric heaters.
Our products are widely distributed in the US, Australia, the Middle East, Africa, Asia and Europe. We also provide OEM services.
You can visit, call, fax or e-mail us for more details. We are looking forward to establishing a long-term business relationship with you in the near future.
