standard ground mouth of glassware

Our lab glassware factory was established in 1967, it is the first one passed through the certificate of ISO9002 system in all of lab glassware manufacturers in China. We are of the member of the National Glass Instrument Standardization Committee. For many years, we have been participating in drafting and revising the national standards of glass instruments. Our products are in good sales in USA, Italy, Spain, Russia, Ukraine, Iran, Brazil, Argentina etc, and enjoy very good reputation. For the standard ground mouth of glassware,this is our forceful item, our worker make it according to Spain and Europe's standard ,we also can maunfacture lab glassware of standard ground mouth according to the client inquiry