Chapter 61 covers knitted or crocheted apparel and clothing accessories, including men's and women's knitted or crocheted garments (such as coats, suits, shirts, underwear, pajamas, etc.) as well as accessories such as hosiery and gloves. This chapter does not include knitted or crocheted brassieres, girdles, corsets, etc. (classified under 6212), nor does it include leather apparel (Chapter 42) or knitted or crocheted footwear and headgear (Chapters 64 and 65). Heading 6103 covers men's or boys' knitted or crocheted suits, ensembles, jackets, trousers, bib and brace overalls, breeches and shorts (other than swimwear). Garments under this heading must be for men or boys and made by knitting or crocheting. Trousers include all types of trousers, breeches, etc., but do not include women's trousers (classified under 6104) or men's swimwear (classified under 6112). The first 2 digits 61: indicates Chapter 61, i.e., knitted or crocheted apparel and clothing accessories. The 3rd-4th digits 03: indicates heading 6103, specifically men's or boys' knitted or crocheted suits, ensembles, jackets, trousers, bib and brace overalls, breeches and shorts. The 5th-6th digits 43: indicates subheading 610343, i.e., men's or boys' trousers of synthetic fibres. Among them, the 5th digit 4 represents trousers, bib and brace overalls, breeches and shorts; the 6th digit 3 represents of synthetic fibres. Therefore, 610343 completely represents men's or boys' knitted trousers of synthetic fibres. The product is men's trousers, knitted, made of synthetic fibres, therefore classified under 610343. It is not classified under 610342 (of cotton) or 610349 (of other textile materials), nor under 6104 (women's trousers) or 6203 (men's trousers, not knitted).

Product Name: Fill in the Chinese and English names of the product, which should accurately reflect the product attributes, such as "men's knitted trousers of synthetic fibres". Brand Type: Fill in the brand attribute, such as no brand, domestic independent brand, foreign brand (OEM production), foreign brand (other), etc. Export Preference Status: Fill in according to the actual trade situation, such as "export goods do not enjoy preferential tariffs in the final destination country", etc. Composition Content: Fill in the main fiber composition and content of the fabric, such as "100% polyester" or "65% polyester 35% cotton". Brand: Fill in the brand name of the product (if no brand, fill in "none"), which should be consistent with the actual goods. Item Number: Fill in the item number designated by the manufacturer or exporter to facilitate identification of the specific style. Style: Fill in the specific style of the trousers, such as "trousers", "breeches", etc., and indicate men's. Knitting Method: Indicate the knitting method, such as "weft knitted" or "warp knitted", to confirm the knitted attribute. Product Name: Men's knitted trousers of synthetic fibres; Brand Type: Foreign brand (OEM production); Export Preference Status: Export goods do not enjoy preferential tariffs in the final destination country; Composition Content: 100% polyester; Brand: ABC; Item Number: M12345; Style: Men's trousers; Knitting Method: Weft knitted. Incorrectly declaring synthetic fibres as cotton, leading to subheading errors. Failure to indicate "knitted" process, may be classified under woven codes. Ignoring the "men's" attribute, incorrectly classified under women's trousers code. Inaccurate declaration of composition content, such as synthetic fiber blends without specifying proportions.

Core classification basis: 1) The product must be made by knitting or crocheting, not woven; 2) Must be men's trousers, excluding women's or children's trousers; 3) Material must be synthetic fibres, including synthetic fibers (such as polyester, nylon, etc.) and artificial fibers (such as viscose, etc.), but excluding natural fibers such as cotton, wool, linen; 4) Trousers include all types of trousers, breeches, but excluding swimwear. Only when all the above conditions are met simultaneously, it is classified under 610343. 610342 Men's or boys' knitted trousers of cotton: Material is cotton, not synthetic fibres. If blended with synthetic fibres and cotton, classification should be based on the main component, usually the one with the highest content by weight. 610349 Men's or boys' knitted trousers of other textile materials: Material is textile materials other than cotton and synthetic fibres, such as wool, linen, silk, etc. 620343 Men's or boys' trousers of synthetic fibres (not knitted): Process is woven, not knitted. Can be distinguished by observing the fabric structure or checking the production process sheet. 610463 Women's or girls' knitted trousers of synthetic fibres: Gender is women's or girls', not men's or boys'. Need to judge based on style, size, design, etc. 611212 Knitted sports trousers of synthetic fibres: Sports trousers usually have special designs (such as elastic waistbands, sports logos), but if they are ordinary trousers, they are still classified under 610343. Confirm the product is made by knitting or crocheting. Confirm the product is men's trousers, not women's or children's. Confirm the fabric composition is synthetic fibres, not cotton or others. Confirm it is not swimwear or part of a sports suit. Check whether the declared elements such as brand and composition are accurate.

How to determine whether a pair of trousers is knitted or woven? Knitted fabric is formed by interlocking loops, has elasticity, and the texture appears V-shaped or circular; woven fabric is interwoven with warp and weft yarns, has no elasticity, and the texture appears cross-shaped. You can check the care label or ask the manufacturer. How are blended synthetic fibre trousers classified? According to the General Rules for HS classification, classification is based on the fiber component with the highest content by weight. If synthetic fibre content is the highest, classify under 610343; if cotton content is the highest, classify under 610342. How to distinguish men's trousers from women's trousers? Mainly based on style design, size, button direction, etc. Men's usually have buttons on the right side, women's on the left; but some unisex styles need to be judged based on brand and actual use. What is the difference between knitted men's trousers and sports trousers? Sports trousers usually have special functional designs (such as moisture-wicking, elastic waistbands, sports logos), but if they are ordinary trousers, even with elastic waistbands, they are still classified under 610343. Sports trousers that meet specific definitions may be classified under 6112. How to inquire about the export tariff for 610343? You can log on to the website of the General Administration of Customs of China or use the customs commodity code query system, enter the HS code to view the latest tariff rates. You can also consult a customs broker or freight forwarder. How to fill in the composition content during declaration? Fill in the main fiber composition and percentage of the fabric, such as "100% polyester" or "65% polyester 35% cotton". If blended, list all components and proportions. If the trousers have leather decorations, does it affect classification? If the leather is only decorative and does not change the essential character of the trousers, they are still classified under 610343. If the leather constitutes the essential character, they may be classified under Chapter 42. Is there a big difference in tariff rates between 610343 and 610342? Tariff rates may vary by country, trade agreements, etc. Specific rates need to be checked in the latest tariff schedule. Usually, rates for synthetic fibres and cotton may differ, but actual inquiry shall prevail.