ISHIZUKA GLASS CO.,LTD.
5204・Standard Market・Glass & Ceramics Products
Glass Bottle Business
Traditional core Group business manufacturing and selling glass containers for beverages and food
| Period | Current | Previous | Change |
|---|---|---|---|
| Net sales | ¥11,252 million | ¥11,453 million | ↓ |
| Segment profit (operating income) | ¥733 million | ¥216 million | ↑ |
| Segment assets | ¥13,524 million | ¥12,792 million | ↑ |
| Depreciation and amortization | ¥778 million | ¥630 million | ↑ |
| Increase in tangible and intangible fixed assets (capital expenditures) | ¥599 million | ¥2,932 million | ↓ |
Business Details
A business that manufactures and sells glass containers such as Western liquor bottles/sake bottles and soft drink bottles/food & seasoning bottles. Beverage and food manufacturers are the main customers, supplying to the domestic glass bottle market. From FY2026 (ending March 2026), reportable segments were reorganized, and this business has been integrated into the "Packaging Containers segment" together with Paper Containers and Plastic Containers; however, individual sales and profit data continue to be disclosed as the Glass Bottle Business.
Recent Overview
Net sales declined slightly due to lower shipment volumes, but segment profit improved substantially owing to productivity gains from production equipment renewal
Net sales in the Glass Bottle Business for FY2026 (ending March 2026) were ¥11,252 million (down 1.8% year on year). Although sales price revisions were carried out in response to rising costs of materials and logistics, consumer restraint on spending due to price increases led to a decline in shipment volumes. On the other hand, segment profit improved substantially to ¥733 million (versus ¥216 million in the prior period). This is believed to reflect the contribution of cost reduction measures, including productivity improvements from the renewal of glass bottle production equipment (periodic furnace renewal) implemented in the prior period. Capital expenditures shrank significantly to ¥599 million from ¥2,932 million in the prior period, confirming that the phase of large-scale renewal investment has passed.
Key Products
Growth Drivers
- Full contribution of productivity improvements and cost reductions from completion of periodic melting furnace renewal (materializing in FY2026 (ending March 2026), leading to substantial margin improvement)
- Continued pursuit of sales price revisions to secure profitability amid rising material and logistics costs
- Strengthened competitiveness through environmental measures such as CO2 reduction initiatives during glass bottle production equipment renewal
- Efficient allocation of management resources through the clarified business portfolio strategy under the medium-term management plan "Challenge to New Frontiers"
Risks
- Structural contraction of the domestic glass bottle market (consumer restraint on spending due to price increases directly reducing shipment volumes)
- Profit pressure from persistently high raw material and energy costs and a weaker yen
- Impact on crude oil prices and procurement of production materials due to heightened geopolitical risk in the Middle East
- Risk of temporary production suspension associated with large-scale renewal of melting furnaces and other equipment (a structural challenge for this capital-intensive business)
Last updated: June 17, 2026