| Net sales | 878.02a | 744.48a |
| Cost of sales | -602.98a | -515.64a |
| Gross profit | 275.04a | 228.84a |
| Selling, general and administrative expenses | — | — |
| Salaries, allowances and bonuses | -92.52a | -76.65a |
| Provision for bonuses | -3.99a | -2.88a |
| Retirement benefit expenses | -2.33a | -1.65a |
| Rent expenses | -44a | -37.77a |
| Other | -89.63a | -73.27a |
| Total selling, general and administrative expenses | -232.48a | -192.22a |
| Operating income | 42.56a | 36.62a |
| Non-operating income | — | — |
| Interest income | 0.92a | 0.6a |
| Dividend income | 0.04a | 0.02a |
| Gain on donation of non-current assets | 0.38a | 0.63a |
| Rental income | 2.35a | 2.03a |
| Subsidy income | 0.6a | 0.19a |
| Other | 0.95a | 0.3a |
| Total non-operating income | 5.24a | 3.78a |
| Non-operating expenses | — | — |
| Interest expenses | -0.23a | -0.02a |
| Rental costs | -2.08a | -1.76a |
| Loss on retirement of non-current assets | -0.39a | -0.31a |
| Share of loss of entities accounted for using equity method | -2.69a | -0.04a |
| Other | -0.43a | -0.24a |
| Total non-operating expenses | -5.81a | -2.36a |
| Ordinary income | 41.99a | 38.04a |
| Extraordinary income | — | — |
| Gain on sale of shares of subsidiaries and associates | 0.31a | 0a |
| Gain on sale of businesses | 1a | 0a |
| Total extraordinary income | 1.31a | 0a |
| Extraordinary losses | — | — |
| Impairment loss | -4.98a | -4.96a |
| Loss on valuation of investment securities | -0.24a | -0.97a |
| Total extraordinary losses | -5.22a | -5.94a |
| Profit before income taxes | 38.08a | 32.1a |
| Income taxes - current | -14.11a | -12.59a |
| Income taxes - deferred | -1.72a | -2.47a |
| Total income taxes | -12.39a | -10.12a |
| Net income | 25.69a | 21.98a |
| Profit attributable to owners of parent | 25.69a | 21.98a |