Chapter 90 covers optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus, precision instruments and apparatus; parts and accessories thereof. Goods of this chapter are characterized by high precision and technology intensity, and are widely used in industry, medical care, scientific research and other fields. Measuring instruments are an important part of this chapter, including tools for measuring physical quantities such as length, angle and area. Heading 9017 includes drawing, marking-out or mathematical calculating instruments,器具 and measuring instruments; measuring or checking instruments, appliances and machines not specified or included elsewhere in this chapter. It specifically covers manual measuring tools such as rulers, calipers, micrometers, protractors and drafting instruments, as well as non-optical measuring and checking equipment. First 2 digits 90: Chapter 90, representing optical, measuring, medical and other precision instruments and equipment. Digits 3-4: 17, heading 9017, specifically referring to drawing, marking-out or mathematical calculating instruments and measuring instruments. Digits 5-6: 30, subheading 901730, referring to measuring or checking instruments, appliances and machines not specified or included elsewhere in this chapter. This subheading is a residual subheading covering measuring instruments not specified in other subheadings, such as vehicle-mounted measuring rulers. A vehicle-mounted measuring ruler is a manual measuring tool used for measuring vehicle-related dimensions, and falls within the scope of 'measuring instruments' under heading 9017. It is non-optical and non-electronic, is not classified under other subheadings of 9017 (such as 901720 drafting instruments), and does not belong to 9015 geodetic instruments or 9018 medical instruments, so it is classified under 901730.

Product name: Declared commodity name should accurately reflect the product's attributes, such as 'vehicle-mounted measuring ruler'. Avoid using general names such as 'measuring tool'. Use: Explain the specific use, such as 'used for measuring vehicle cargo box dimensions, tire spacing, etc.'. It must be related to the vehicle-mounted scenario. Material: Main material, such as stainless steel, aluminum alloy, plastic, etc. Material affects classification and tariff rates. Measuring range: Maximum measuring length, such as '0-1000mm'. Reflects the specifications of the measuring instrument. Brand: Brand name (declare 'none' if unbranded). Brand affects price and intellectual property rights. Model: Product model, such as 'CL-200'. Facilitates customs identification. Whether graduated: Whether it has graduation markings, such as 'yes'. Graduations are a characteristic of measuring instruments. Customs declaration example: Product name: vehicle-mounted measuring ruler; Use: used for measuring the internal dimensions of truck cargo boxes; Material: stainless steel; Measuring range: 0-2000mm; Brand: XYZ; Model: CL-2000; Whether graduated: yes. Classification: 9017300090. Incorrectly classifying a vehicle-mounted measuring ruler under other subheadings of 9017, such as 901720 (drafting instruments), without noting its measuring function. Ignoring the 'vehicle-mounted' characteristic and incorrectly classifying under general measuring instruments such as 901780, but 901780 is for other hand-held measuring instruments, while 901730 is for other measuring instruments. False declaration of material, such as declaring a metal ruler as plastic, which may affect classification and anti-dumping duties.

Classification basis: the product's function is measuring length, so it is a measuring instrument; it is non-optical and non-electronic; vehicle-mounted use does not change its essential nature as a measuring instrument. According to the Import and Export Tariff and its notes, 9017 includes manual measuring instruments, and 901730 is a residual subheading covering measuring instruments not elsewhere specified. Therefore, it is classified under 901730. 901720 Drawing, marking-out or mathematical calculating instruments: 901720 is used for drawing and marking-out, such as compasses and protractors; 901730 is used for measuring, such as rulers. Their functions are different. 901780 Other hand-held measuring instruments: 901780 includes hand-held calipers, micrometers, etc.; 901730 is for other measuring instruments. A vehicle-mounted measuring ruler, if it is a simple ruler, may be classified under 901780, but if it has specific measuring functions, it is classified under 901730. 901580 Other geodetic instruments: 901580 is used for geodetic surveying and mapping, such as theodolites; 901730 is used for general measurement, not professional surveying and mapping. 902580 Other measuring or checking instruments: 902580 is used for measuring physical quantities such as temperature and pressure; 901730 is used for length measurement, with a different principle. Is the product a manual measuring instrument? Is it used for measuring length? Is it non-optical and non-electronic? Is it not specified in other subheadings? Is it used in a vehicle-mounted manner but essentially a measuring instrument?

Why is a vehicle-mounted measuring ruler classified under 901730 instead of 901780? 901780 is for other hand-held measuring instruments, such as calipers and micrometers; 901730 is for other measuring instruments. If a vehicle-mounted measuring ruler is a simple straight ruler, it may be classified under 901780; but if it has specific measuring functions (such as graduated and retractable), it is classified under 901730. The specific classification depends on the function. How can I check the import tariff rate for 901730? The tariff rate depends on the country of origin, trade agreements, etc. You can check the China Customs Import and Export Tariff or query through the 'Single Window'. It is recommended to consult a customs broker or customs authorities. What documents are required to declare 901730? Packing list, invoice, contract, declaration elements, etc. are required. If a brand is involved, an authorization letter is required. The specific requirements are subject to customs. Is there a difference in classification between a vehicle-mounted measuring ruler and an ordinary measuring ruler? Classification is mainly based on function, material and principle, not the use scenario. If the function is the same, the classification is the same. 'Vehicle-mounted' is only a description of use and does not affect classification. Does 901730 include electronic measuring rulers? 901730 mainly refers to non-electronic measuring instruments. Electronic measuring rulers may be classified under 9025 or 9031, etc. It depends on whether they contain electronic devices. If a measuring ruler has a laser function, which code should it be classified under? With a laser function, it may be classified under 9013 (lasers) or 9027 (optical instruments). It depends on the main function. If the laser is only auxiliary, it may still be classified under 901730. What is the export tax rebate for 901730? The export tax rebate rate needs to be checked against the latest policy. It can usually be queried through the 'China Export Tax Rebate Consulting Network' or tax authorities. Rates change, so official sources should prevail. Can I write 'vehicle-mounted measuring ruler' as the product name when declaring? Yes, but it is recommended to also declare elements such as use and material so that customs can classify accurately. Avoid writing only general names such as 'ruler'.