Afterdecades of rapid development, the China’s denim industry has achieved gloriousachievements, and won an important place in the international market. Theexport of middle-end and high-end products of traditional denim garments mainlyfocuses on the markets of America, Europe, Japan and Korea. However, thesemarkets have gradually raised the requirements for environmental protection,functionality and fashion of the denim garments, and have increasingly-strictrequirements for the construction of social responsibility of processingenterprises. Obviously, the traditional denim garments cannot meet people’swearing demands, and the development of fashion-oriented, functional andhigh-end denim textiles has become an inevitable trend. To meet the sustainabledevelopment has become the theme of the modern textile industry, and conformsto recycling economy, being the mainstream of the future development.
1. Advantages of ‘Chinese denim’ in large quantity
Denimcloth and denim garments have always been popular with a vast number of consumersat home and abroad, and as the symbol of a free lifestyle, denim is daily wearof American consumers. According to a survey, the American consumers have 7jeans per capita, and jeans can be found in wardrobes of 96% of the Americanconsumers. China is the most important source for the import of American denimgarments. According to statistics of United States Customs, in 2019, jeansimports of America amounted to 5 billion dollars, and the import quantityreached 51.84 million, wherein the jeans from China accounted for 32.28% and37.23% of the two indicators separately. The average unit price of the Chinesejeans is lower than that of products of Mexico,Vietnam, Egypt and other majorsource countries, and is also lower than that of American global import jeans.This shows that the China’s export of denim garments to America has relativeadvantages in terms of the price and quantity.
2. Development trend of Chinese denim
Althoughthe domestic denim industry started decades later than the European andAmerican countries, after 40 years of development and innovation, denimtextiles at the present stage have witnessed brand-new changes in all theaspects involving the color, appearance, style, the use of raw materials, yarnstructure and linear density, finishing and processing, and wearing comfort,and two series of classic denim and patterned denim have been formed. Classicdenim continues to keep its roughness, conciseness, firm hand feeling, andoriginal nature and takes pure cotton 97~36.4tex (6s~16s) coarse yarn as mainraw materials. The patterned denim mainly features elaboration, lightweight,and weave diversity with the weave on the fabric surface developed from thetraditional 3/1 twill to the multi-twill weave, the raw materials developedfrom a single cotton fiber to a variety of fibers, the yarn density developedfrom the original coarse size to the medium and fine size, and the spinningtechnology developed from the original rotor spinning to a variety of spinningprocesses and multi-fiber blending. In terms of the application of fiber rawmaterials for denim yarn, more than 80% of the raw materials for denim fabricare cellulose fibers including cotton, viscose fibers, hemp, flax, tencel,etc., about 6% of the raw materials for the denim fabric are common chemicalfibers including spandex, polyester, high-elasticity nylon, etc., and about 14%are differential fibers including moisture absorption and sweat dischargefibers, high shrinkage fibers, hollow fibers, antistatic fibers, compositefibers, etc. Since the development and innovation of various kinds of denimtextiles need to rely on the innovation of denim yarn, the technologicalinnovation and quality improvement of denim yarn become an important prerequisitefor the development of new denim textiles. At present, the innovativetechnologies of denim yarn for the denim textiles in China mainly involve thetechnological innovation of elastic core spun yarn, and the technologicalinnovation of slub yarn, colorful dot yarn, linen yarn,multi-fiber combinationdenim yarn and the like.
3. Quality improvement and transformation of China’s denim industry
InChina’s market, about 90% of denim is used in the production of denim garments,of which 42.7% is used in the production of jeans, 29% is used in theproduction of jeans jackets, 10.5% is used in the production of children’sjeans wear, and 7.8% is used in the production of jeans skirts. At present, acomplete modern industrial chain has been formed for processing and productionof denim garments in China with rapid enhancement of capabilities of researchand development, design and marketing on the denim garments. Enterprisesgradually centralize their design and marketing centers on fashion metropolisessuch as Shanghai, Guangzhou, Shenzhen and Hong Kong, and even set up researchand development centers in fashion capitals of the United States, Europe andother international markets, so that the upgrading and structural adjustment ofthe domestic denim industry are promoted. According to the SWOT analysis on theChina’s denim industry, the development trend of the industry has entered adeep adjustment cycle at the current stage. The transformation and upgrading ofthe denim garment production enterprises are urgent so as to adjust the productstructure, reduce the low-end and low value-added products, and increasehigh-end and high value-added products. The further development of the denimtextile industry must rely on cooperation of various aspects including thedevelopment of raw materials, application of fashion colors, improvement inmechanical equipment, innovation on the design process technologies,particularly the improvement of the after-finishing process, updating ofclothing styles, exploration of the wearing field and the like. In this way,the denim textile industry can be constantly improved, the personal features offabric are furthermore highlighted, the fabric is endowed with novelty inahead, the development and innovation work of the denim textile industry makesprocess constantly, and an environmental protection idea of low waterconsumption, low energy consumption and low emission of the denim is accordedwith.

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