Harmonized System Code Classification

The first two digits "90" represent optical, photographic, cinematographic, measuring, and testing instruments and related equipment.

Specifically, this major category includes the following main products:

• Optical instruments: Including telescopes, microscopes, cameras, cinematographic cameras, projectors, prisms, lenses, filters, etc.
• Photographic equipment: Including film, photosensitive materials, photographic paper, developing equipment, etc.
• Measuring instruments: Including measuring instruments for length, weight, angle, temperature, pressure, flow, electricity, etc.
• Testing instruments: Including various standard parts, inspection instruments, calibration instruments, etc.
• Related equipment: Including parts, accessories, and maintenance tools for the aforementioned instruments.

Why is it classified under 90?

These products share the common feature of using optical principles, photographic technology, or measurement technology to acquire, process, and display information. They are mainly used in scientific research, industrial production, healthcare, environmental protection, transportation, military, and other fields, playing an important role in improving production efficiency, ensuring product quality, and improving people's lives.

In short, "90" represents a category of precision, specialized, and high-tech instruments and equipment, whose core function is to acquire, process, and display information.

The first four digits "9002" represent:

Lenses, prisms, mirrors, and other optical elements, made of any material, mounted, as parts or accessories of instruments or equipment; non-optically worked glass elements excluded; their parts and accessories.

The six-digit explanation: HS code: 9002.19

Classification: Lenses, prisms, mirrors, and other optical elements, made of any material, mounted, as parts or accessories of instruments or equipment; other --> objective lenses and their parts and accessories --> other

Meaning: This refers to mounted lenses, prisms, mirrors, and other optical elements that are part of or accessories for instruments or equipment, specifically objective lenses and their parts and accessories, excluding non-optically worked glass elements.

The 8-10 digit explanation: HS code: 9002190000 Classification: Optical elements, prisms, mirrors, and other optical elements, of any material, mounted, as parts or accessories of instruments or devices; non-optically worked glass elements; their parts and accessories --> objective lenses and their parts and accessories --> other Explanation: This HS code belongs to the classification of optical elements, prisms, mirrors, and other optical elements, specifically referring to mounted elements that are parts or accessories of instruments or devices, and it includes other categories of objective lenses and their parts and accessories, including non-optically worked glass elements and their accessories.

Examples of products under this category: * Objective lenses for microscopes * Camera lenses * Telescope lenses * Prisms used in optical instruments * Mirrors used in photometers * Accessories for optical elements * Parts of objective lenses * Optical components used in measuring devices