Harmonized System Code Classification

90开头HS编码 typically represents optical, photographic, cinematographic, measuring, testing, analyzing, and control instruments, medical instruments, and related equipment.

Specifically, Chapter 90 covers the following main categories:

• Optical instruments, photographic equipment, cinematographic equipment: Including cameras, video cameras, telescopes, microscopes, projectors, movie projectors, etc.
• Measuring, testing, and analyzing instruments: Including various measuring tools, laboratory equipment, analytical instruments, testing instruments, etc.
• Medical instruments: Including various medical devices, surgical instruments, diagnostic equipment, dental equipment, etc.

Reason for classification:

These products are classified together because they all involve precision technology, optical principles, measurement technology, or medical applications. They are typically used in scientific research, industrial production, healthcare, and other fields, and usually have a high level of technical content and professionalism.

In summary, products with HS codes starting with 90 are closely related to precise measurement, optical technology, medical applications, or scientific analysis.

If you can provide a more specific HS code (e.g., 9001, 9002, etc.), I can provide a more detailed classification explanation.

First four digits explanation: 9018: Instruments and appliances used in medicine, surgery, dentistry, or veterinary science, including scintillation cameras, other electro-medical instruments, and instruments for testing vision; their parts and accessories.

Six-digit explanation: HS code: 9018.90

Classification: Instruments and appliances used in medicine, surgery, dentistry, or veterinary science, including scintillation cameras, other electro-medical instruments, and instruments for testing vision; their parts and accessories.

Meaning: Refers to various instruments and appliances used in medicine, surgery, dentistry, or veterinary science, including:

• Scintillation cameras
• Other electro-medical instruments
• Instruments for testing vision
• Parts and accessories of these instruments
• Other related instruments and appliances not explicitly listed.

8-10 digit explanation: HS code: 9018902000
Classification: Instruments and appliances used in medicine, surgery, dentistry, or veterinary science, including scintillation cameras, other electro-medical instruments, and instruments for testing vision; their parts and accessories
Explanation: This HS code belongs to instruments and appliances used in medicine, surgery, dentistry, or veterinary science, including scintillation cameras, other electro-medical instruments, and instruments for testing vision; their parts and accessories. More specifically, it refers to other instruments and appliances and their parts and accessories, including optical instruments and appliances and their parts and accessories.

Examples of products under this classification: * Medical imaging equipment (e.g., X-ray machines, CT scanners, MRI machines) * Diagnostic instruments (e.g., blood pressure monitors, ECG machines) * Dental equipment (e.g., dental drills, dental X-ray machines) * Surgical tools (e.g., surgical scissors, forceps) * Vision testing instruments (e.g., eye chart projectors, autorefractors) * Parts and accessories of the above equipment (e.g., sensors, lenses, connectors)