Zhengzhou ZhengDa is the medical science and technology co. LTD., is Chinas largest gel patch” medical special adhesive production and processing export-oriented enterprises provide OEM service for more than 20 years, has five different production equipment 200 skilled workers, 10 technical engineers and independent laboratories, the company strictly implement the ISO standards management services the main products are medical cooling gel, eye patch and pain stick series the other can according to customer,s requirements generation of processing various special properties of the gel.Scientific and technological innovation is the pursuit of quality is the company,s business philosophy we will provide quality products to customers, and partners of mutual benefit and win-win.