Form C(big mouth) international standard Clear/Amber glass ampoule
Form D(closed mouth) international standard Clear/Amber glass ampoule 
1ml or 1cc volume. 
Easy opening/breaking OPC (one point cut) with color dot, color ring on neck. 
Could be 1, 2 or 3 different colored code rings. 
Made out of USP type I Borosilicate glass from German machine. 

ISO Standard dimension,and customer disign acceptable
Production capacity: 216million pcs annually. 
normally use for contain liquid medicines for injection use.
Comply with EP USP ISO standards. 
Flint Clear transparent or Brown amber color glass available.
print your own logo/text available.(cost increase accordingly, please contact for more detail)
Welcome professional customers! 

An ampoule (also ampul, ampule, or ampulla) is a small sealed vial which is used to contain and preserve a sample, usually a solid or liquid.

Zhengli is a ISO 9001 Certificated company, with US FDA registed DMF No. 20831, focus on producing pharmaceutical glass containers since 1991.