Company information
We aim to be a special company for medical product containers.
Naiwai Glass Industry Co., Ltd. has been operating since its establishment in November 1951 with the belief of "continuously providing high-quality glass ampoules as containers for medicine to the world in a stable manner." The extremely safe and inexpensive glass ampoule for drug components is a great invention in human history. Our company sincerely strives to continue providing glass ampoules as the best medicinal containers sealed with glass, at the quality levels demanded by our customers, even as the quality standards required for glass ampoules have evolved over time.

Business Activities
Manufacturing and sales of injectable ampoules, processing of glass tubes for syringes, development and sales of equipment.
Company overview
- Company name 内外硝子工業
- Establishment
- number of employees 52person
- Address 〒574-0052 Osaka/ Daito-shi/ 5-43 Nitta Kitamachi View on map
- TEL 072-875-4380
- FAX 072-875-4391
