... .It`s one of the largest manufactures that produce lab supplies.We have CE,FDA,ISO9001certificate,"Quality First,customers satisfaction"is ... to our company to negotiate busniess,OEM is also weclome.Test TubeCylindrical bottom, Plastic DimensionsMaterialPackingØ12*60mm, Vol.3mlPS500pcs/polybage, ... 2500pcs/cartonØ16*100mm, Vol.10mlPP500pcs/polybage, 2500pcs/carton Glass Test Tube with Rim-13*75mm