What does your factory do regarding quality control?
We do leak test for 3 times before packing.
15ml 30 ml 60 ml 120 ml boston essential oil bottle 1/2 oz 1oz 2oz 4oz round glass dropper bottles with dropper
Color:
Amber, clear, blue, green or customized
Surface Treatment
silkscreen;hot stamping;frosted;decal;painting;electroplating;spray;label;sticker,etc.
Lid/Cap
cork;rubber;aluminum screw cap;glass stopper, etc.