Optical, measuring and medical instruments: South Korea exports to Guam
HS chapter 90 · 광학기기ㆍ사진용 기기ㆍ영화용 기기ㆍ측정기기ㆍ검사기기ㆍ정밀기기ㆍ의료용 기기, 이들의 부분품과 부속품 · latest month: October 2026
In October 2026, South Korea exported $6,033 of optical, measuring and medical instruments (HS 90) to Guam, down 94.9% from September 2026 and down 56.0% from October 2025.
Over the 12 months to October 2026, exports of optical, measuring and medical instruments (HS 90) to Guam totalled $1.9 million, up 63.4% from the 12 months before ($1.2 million).
Guam took 0.0% of South Korea's exports of this product over the 12 months to October 2026, ranking 107th of 217 destinations (114th in the 12 months before).
This product made up 0.2% of South Korea's goods exports to Guam over the same period.
The average export value in October 2026 was $98.90 per kg of net weight, compared with $43.40 per kg in October 2025.
Last 24 months
Monthly figures
| Month | Exports | vs year earlier | Export weight | Export $/kg | Imports | Import weight |
|---|---|---|---|---|---|---|
| October 2026 | $6,033 | -56.0% | 61 kg | $98.90 | $0 | 0 kg |
| September 2026 | $119K | -14.6% | 187 kg | $637.74 | $229 | 0 kg |
| August 2026 | $331K | +1,619% | 1.8 t | $185.35 | $180 | 3 kg |
| July 2026 | $14K | -39.6% | 35 kg | $401.46 | $125 | 1 kg |
| June 2026 | $33K | -82.4% | 638 kg | $51.35 | $6,075 | 16 kg |
| May 2026 | $4,435 | -90.5% | 13 kg | $341.15 | $165K | 751 kg |
| April 2026 | $296K | +59.8% | 118 kg | $2,505.23 | $0 | 0 kg |
| March 2026 | $17K | +49.6% | 24 kg | $722.54 | $0 | 0 kg |
| February 2026 | $367K | +1,439% | 2.2 t | $166.47 | $60 | 2 kg |
| January 2026 | $65K | -86.1% | 204 kg | $319.29 | $73 | 3 kg |
| December 2025 | $297K | +2,364% | 13.0 t | $22.87 | $42 | 2 kg |
| November 2025 | $339K | +1,167% | 81 kg | $4,190.64 | $46 | 2 kg |
| October 2025 | $14K | – | 316 kg | $43.40 | $152 | 5 kg |
| September 2025 | $140K | – | 1.2 t | $112.40 | $57 | 3 kg |
| August 2025 | $19K | -92.9% | 56 kg | $343.89 | $269K | 1.0 t |
| July 2025 | $23K | -85.3% | 722 kg | $32.21 | $74 | 5 kg |
| June 2025 | $186K | -43.7% | 461 kg | $403.83 | $111 | 4 kg |
| May 2025 | $46K | +290.7% | 177 kg | $262.54 | $5,289 | 89 kg |
| April 2025 | $185K | -10.8% | 276 kg | $670.30 | $76 | 3 kg |
| March 2025 | $12K | -95.5% | 62 kg | $187.00 | $251 | 17 kg |
| February 2025 | $24K | – | 106 kg | $225.19 | $52 | 3 kg |
| January 2025 | $469K | +877.5% | 156 kg | $3,005.24 | $43 | 2 kg |
| December 2024 | $12K | – | 66 kg | $182.85 | $48 | 2 kg |
| November 2024 | $27K | -79.4% | 916 kg | $29.25 | $11K | 30 kg |
Exports FOB, imports CIF, US dollars. Weight is net weight. "vs year earlier" compares export value with the same month one year before and is left blank when that month was under $10,000. Source: Korea Customs Service, via data.go.kr.
Largest headings exported to Guam
| Code | Product | Exports, 12 months | Share | vs 12 months before | October 2026 |
|---|---|---|---|---|---|
| 9032 | Automatic regulating or controlling instruments and apparatus | $567K | 30.0% | +384.2% | $31 |
| 9015 | Surveying, hydrographic, oceanographic, hydrological, etc. | $365K | 19.3% | +559.4% | $0 |
| 9030 | Instruments for measuring electrical quantities | $320K | 16.9% | +241.5% | $1,182 |
| 9025 | Thermometers, hydrometers, barometers and hygrometers | $285K | 15.1% | +376.0% | $8 |
| 9027 | Instruments for physical or chemical analysis | $110K | 5.8% | – | $117 |
| 9031 | Measuring or checking instruments and machines | $85K | 4.5% | +158.3% | $1,710 |
| 9014 | Direction finding compasses, etc. | $57K | 3.0% | -84.4% | $0 |
| 9018 | Medical, surgical and dental instruments | $42K | 2.2% | -34.4% | $0 |
| 9004 | Spectacles, goggles and the like, corrective, protective or other | $24K | 1.3% | – | $1,068 |
| 9026 | Instruments for measuring flow, level or pressure | $19K | 1.0% | -94.2% | $1,575 |
| 9028 | Gas, liquid or electricity supply or production meters, etc. | $11K | 0.6% | – | $0 |
| 9024 | Machines and appliances for testing the hardness, strength, compressibility, etc. | $2,670 | 0.1% | – | $0 |
| 9029 | Revolution counters, production counters, taximeters, mileometers, etc. | $1,991 | 0.1% | – | $262 |
| 9019 | Mechano-therapy appliances, etc. | $250 | 0.0% | -98.7% | $0 |
| 9005 | Binoculars, monoculars, other optical telescopes, and mountings therefor, etc. | $80 | 0.0% | – | $80 |
| 9017 | Drawing, marking-out or mathematical calculating instruments, etc. | $13 | 0.0% | – | $0 |
See also: Optical, measuring and medical instruments to all countries · all exports to Guam