... welcome 4.OEM accept 5.your packing ok Material:borosilicate glass dropper,pipette,test tube,blood collestion tube and so on ... specification:1, glass dropper bottle for medicine, serum use2, capacity: 5ml3, available capacity ... ,Butyl rubber stoppers, Al-plastic multi caps, Pre fillable-syringe ,Dental glass cartridge and PP stoppers for soft infusion bags.