According to Japanese customs data, the import volume of silicon iron with a silicon content greater than 55% in Japan in April 2026 was 34727.227 tons, an increase of 2704.993 tons from March and a month on month increase of 8.45%. Compared to the same period in 25 years, it increased by 2592.737 tons, a year-on-year increase of 8.07%. From January to April 2026, Japan imported a total of 128000 tons, an increase of 13000 tons or 11.3% compared to the previous year. The top five countries for Japan's imports in April are:
| Nation | Quantity(tons) |
| Malaysia | 11846.398 |
| China | 10978.232 |
| Brazil | 5897.7 |
| Kazakhstan | 2688 |
| Iceland | 1544.5 |
The top five countries for Japan's imports from January to April are:
| Nation | Quantity(tons) |
| China | 41887.14 |
| Malaysia | 38145.242 |
| Brazil | 23163.9 |
| Kazakhstan | 13262 |
| Iceland | 5518.5 |