Czech Republic supplies 44.6% of U.S. imports of Non-Optical Microscopes & Diffraction Apparatus, across 21 countries (year to date through August 2026).
HHI 2,789 of 10,000 · HHI above 1,800. The sum of each country’s squared percentage share; one country with everything scores 10,000.
21 countries supplying this product to the U.S.
| Rank# | Country | Value | Share | YoY | Duty |
|---|---|---|---|---|---|
| 1 | Czech Republic | $12.6M | 56.0% | -39.1% | 5.4% |
| 2 | Japan | $3.1M | 13.9% | +7.9% | 12.5% |
| 3 | Germany | $2.3M | 10.4% | -31.6% | 10.0% |
| 4 | Netherlands | $2.3M | 10.3% | -43.3% | 10.0% |
| 5 | United Kingdom | $1.7M | 7.6% | -30.4% | 9.4% |
| 6 | China | $155K | 0.7% | -22.5% | 33.1% |
| 7 | Taiwan | $116K | 0.5% | -3.1% | 10.0% |
| 8 | Ireland | $105K | 0.5% | +40.2% | 10.0% |
| 9 | Canada | $26K | 0.1% | +148.9% | 0.0% |
| 10 | France | $6K | <0.1% | +20.7% | 10.0% |
| 11 | Spain | $3K | <0.1% | +7.0% | 10.0% |
| 12 | South Korea | $2K | <0.1% | -10.7% | 12.5% |
| 13 | Australia | -- | 0.0% | -26.8% | -- |
| 14 | Sweden | -- | 0.0% | -- | -- |
| 15 | Finland | -- | 0.0% | -- | -- |
| 16 | Hungary | -- | 0.0% | -- | -- |
| 17 | Switzerland | -- | 0.0% | +39.1% | -- |
| 18 | Italy | -- | 0.0% | -0.5% | -- |
| 19 | Thailand | -- | 0.0% | +72.3% | -- |
| 20 | Malaysia | -- | 0.0% | -94.4% | -- |
| 21 | Singapore | -- | 0.0% | +84.8% | -- |
Duty is the duty Census calculated on this month's imports for consumption from each country, as a share of their customs value. It applies the rates in force, additional duties such as Section 301, 232 and IEEPA included and claimed trade-agreement preferences netted out, so it is an observed rate rather than a statutory one. It is an estimate, not duty collected: antidumping and countervailing duties, fees and later refunds are not in it. YoY compares year-to-date value with the same months last year.