Kukula kwa dziko lapansimakampani opanga nsaluunyolo chawonjezeka munthu pachaka mowa nsalu kuchokera 7kg 13kg, ndi buku okwana matani oposa 100 miliyoni, ndi kupanga pachaka zinyalala nsalu wafika matani 40 miliyoni.Mu 2020, dziko langa lidzabwezeretsanso nsalu zokwana matani 4.3 miliyoni, ndipo kutulutsa kwa ulusi wamankhwala kudzaposa matani 60 miliyoni.Ngakhale kuchuluka kwa nsalu zomwe zimatumizidwa kunja ndikwambiri, kuchuluka kwa zobwezeretsanso kumakhala kotsika.Palinso nsalu zopitilira 2/3 padziko lapansi zomwe sizinathe kukonzedwanso ndi kukonzanso.

Zovala zomwe zimatchedwa zongowonjezwdwa nthawi zambiri zimatengedwa ngati zogwiritsidwanso ntchitonsaluzomwe zitha kugwiritsidwanso ntchito, ndipo magwiridwe antchito azinthu zomwe zidapangidwanso ndizofanana, ndipo zimakhalanso zamtengo wapatali.nsalu imodzi.Pazinthu zopangidwa ndi nsalu "zotayidwa", zomwe zilibe phindu lachuma kuti zibwezeretsedwe msanga, zitha kukhala zotayirapo kompositi.Kuphatikiza pa lingaliro ili lachuma chozungulira, ukadaulo wamafakitale umagawa zobwezeretsanso m'mitundu iwiri: kukweza ndi kutsitsa.

Njira zobwezeretsanso nsalu zimaphatikizanso njira zamakina, zakuthupi ndi zamankhwala.Njira yamakina ndiyo kupanga nsalu kukhala timizere tating'ono kapena ulusi kuti tizipotanso kapena kusintha cholinga chachikulu cha nsalu;njira yakuthupi imakhala makamaka ya ulusi wopangira, makamaka ulusi wopangidwa ndi kusungunula kusungunuka, zomwe zimasungunuka kutentha kwambiri kuti nsalu zisungunuke.Pambuyo posefa zonyansa, zimatha kupota kapena kugwiritsidwa ntchito pazinthu zina.Zida zina zopangidwa ndi ulusi wapamwamba zimatha kuchotsa epoxy resin pa kutentha kwakukulu, kubwezeretsa chikhalidwe cha fiber, ndikugwiritsidwa ntchito muzinthu zopanda nsalu kupyolera mu kudula ndi kuphwanya;mankhwala njira makamaka kwa zosiyanasiyana nsalu.Kupatukana kwa ulusi kumagwiritsidwanso ntchito padera, ndipo nthawi zambiri amagwiritsidwa ntchito kuyeretsa zinthu zobwezerezedwanso, kuchotsa bwino zonyansa ndi utoto, ndikukhazikitsanso ndikukonzanso.

Mu 2020, dziko langa la polyester fiber limatulutsa matani 49.3575 miliyoni, omwe amawerengera 72% yonse, thonje ndi matani 8.6 miliyoni, owerengera 12%, viscose ndi matani 3.95 miliyoni, owerengera 5.8%, akaunti ya nayiloni ndi 5.6%.Ulusi wotsalawo umawonjezera zosakwana 4%.Pofuna kuonetsetsa kuti chakudya chilipo, kutulutsa kwa ulusi wachilengedwe monga thonje, bafuta, ndi ubweya kumatsika kwambiri.Ndi njira yapang'onopang'ono yosinthira ulusi wina wachilengedwe ndi ulusi wopangidwa.Magwero a zida zopangira ulusi amatha kusankha zinthu zochokera ku bio, ndipo zobwezerezedwanso ziyenera kugwiritsidwa ntchito kuchotsa pang'onopang'ono kudalira kwambiri zinthu zomwe sizingangowonjezedwanso.Izi sizongothandiza kwambiri pakupulumutsa chuma, kuteteza chilengedwe komanso kuchepetsa kugwidwa kwa malo olimidwa, komanso kufunikira kwakukulu pakumanga ndi chitukuko cha chuma chozungulira.