Zhengzhou Keda Machinery and Instrument Equipment Co.,Ltd. isspecialized in R&D, production, selling, teaching, chemical andbiological pharmaceutical equipment integrated company, especially Reaction Kettle, Glass Single Layer Chemical Reactor, androtatary evaporatator. Company Tanet: Keeping reputation, Valuingcontracts, using lower price and better quality instrumentequipmentto serve the cause of Chinese scientificresearch.