Company History
| 1943 | Establishes Tokyo Koa Glass Bottle Industry Inc. |
| 1948 | July. Changes company name to current Koa Glass Co., Ltd. |
| 1949 | Mold, polishing, silicon processing division are separated. A subsidiary named Wako Seiki Co., Ltd. is established, which starts operation as a subcontracted processing factory of Koa Glass Co., Ltd. |
| 1955 | April. Constructs Komatsugawa Factory in Edogawa-ku, Tokyo, Japan. |
| 1956 | April. Opens automated bottle forming line complete with electric melting tank inside the headquarters factory. |
| 1957 | June. Expands Komatsugawa Factory to double production. |
| 1962 | Opens fully automated Ichikawa Factory in Ichikawa City, Chiba, Japan. |
| 1967 | Opens fully automated Ofuna Factory in Fujisawa City, Kanagawa, Japan. |
| 1972 | February. Moves Production Division of headquarters factory to Chidori-cho, Ichikawa City, Chiba, Japan, and opens glass decoration division at the site. (The forerunner of current Koa A.C.L. Co., Ltd.) July. Closes Komatsugawa Factory in Chuo, Edogawa-ku, Japan. Opens Koa Containers Co., Ltd. for the sales of semiautomatically produced bottles and packaging. |
| 1973 | May. Completes construction of new headquarters building to expand space and rationalize office work. December. Establishes a second printing factory to meet increasing demand and expands headquarters printing facilities. (Current Koa A.C.L. Co., Ltd.) |
| 1976 | April. Separates Decoration and Inspection Division from headquarters factory and establishes a subsidiary, Koa A.C.L. Co., Ltd., which starts operation as subcontracted decoration and inspection factory of Koa Glass Co., Ltd. |
| 1983 | August. Opens Osaka Sales Office in Kitahama, Chuo-ku, Osaka City, Japan. |
| 1991 | March. Establishes a group company, Ryonan Pack Inc. for inspection and shrink applications in Ayase City, Kanagawa, Japan. |
| 1992 | June. Opens Koa A.C.L. Ichikawa workshop inside the Ichikawa Factory. Introduces high-speed multicolor printing machine. |
| 1994 | October. Establishes Shanghai Koa Glass Co., Ltd. in Jiading District, Shanghai, China. |
| 1996 | June. Constructs and starts operation of fully automated production line, from glass forming through to decoration, at Shanghai Koa Glass. |
| 2000 | June. Ichikawa Factory acquires QMS (ISO) certification. |
| 2001 | December. Ofuna Factory acquires QMS (ISO) certification. |
| 2002 | January. Shanghai KOA Glass acquires QMS (ISO) certification. |
| 2003 | January. Head Office acquires QMS (ISO) certification. |
| 2003 | June. Head Office acquires EMS (ISO) certification. |
| 2005 | January. Ofuna Factory acquires EMS (ISO) certification. |
| 2006 | September. Ichikawa Factory acquires EMS (ISO) certification. |
