| Net sales | 5,434.82a | 5,202.92a |
| Cost of sales | -4,333.75a | -4,210.51a |
| Gross profit | 1,101.07a | 992.41a |
| Selling, general and administrative expenses | — | — |
| Sales commission | -23.1a | -22.74a |
| Advertising expenses | -27.81a | -28.47a |
| Promotion expenses | -3.86a | -4.55a |
| Provision of allowance for doubtful accounts | -1.69a | -2.31a |
| Directors’ compensations | -4.58a | -4.52a |
| Employees’ salaries and allowances | -220.12a | -207.99a |
| Provision for bonuses | -42.77a | -39.5a |
| Retirement benefit expenses | -33.68a | -1.65a |
| Legal welfare expenses | -31.87a | -30.78a |
| Stationery expenses | -30.72a | -27.25a |
| Correspondence and transportation expenses | -21.83a | -20.79a |
| Rents | -21.33a | -20.04a |
| Depreciation | -17.84a | -16.7a |
| Tax and dues | -47.1a | -45.21a |
| Other | -93.83a | -82.99a |
| Selling, general and administrative expenses | -554.79a | -552.2a |
| Operating income | 546.28a | 440.21a |
| Non-operating income | — | — |
| Interest income | 5.3a | 2.73a |
| Dividend income | 4.47a | 5.71a |
| Equity in earnings of affiliates | 1.68a | 2.41a |
| Insurance claim income | 2.16a | 1.44a |
| Gain on valuation of derivatives | 0a | 5.3a |
| Miscellaneous income | 13.76a | 13.49a |
| Total non-operating income | 27.37a | 31.08a |
| Non-operating expenses | — | — |
| Interest expense | -41.56a | -31.53a |
| Provision of allowance for doubtful accounts | 0a | -0.05a |
| Miscellaneous expenses | -16.1a | -12.16a |
| Total non-operating expenses | -57.66a | -43.75a |
| Ordinary income | 515.99a | 427.55a |
| Extraordinary income | — | — |
| Gain on sales of fixed assets | 2.52a | 7.25a |
| Gain on sales of investments in securities | 13.5a | 16.6a |
| Gain on sales of stocks of subsidiaries and affiliates | 0a | 23.19a |
| Gain on sales of investments in capital of subsidiaries and affiliates | 0.12a | 0a |
| Gain on step acquisitions | 0.74a | 0a |
| Gain on change in equity interest | 0a | 1.98a |
| Total extraordinary income | 16.87a | 49.03a |