Jirgin insole wanda ba a saka ba an yi shi da fiber na halitta, fiber na roba da guduro ta hanyar fasahar sarrafawa ta musamman, wacce ake amfani da ita a masana'antar takalmi.Yana da halaye na daidaitattun girman, kauri na uniform, mai kyau flatness, high ƙarfi, mai kyau sassauci, mai kyau iska permeability, sa juriya, elasticity, barga ingancin, danshi hujja, hana ruwa sakamako da sauransu.Yana da kyau mai kyau kuma zai iya saduwa da fasahar sarrafa takalma.Ana iya amfani dashi da yawa a cikin rufin ƙasa, rufin gaba da baya na takalma na wasanni da takalma na fata, takalma na yau da kullum ga maza da mata.

Tare da saurin bunƙasa sauran ƙasashe masu tasowa irin su Vietnam da Indiya, buƙatunsu na kayan takalmi daban-daban da na'urorin haɗi da na'urori suna haɓaka cikin sauri, yayin da nasu masana'antu masu tallafawa masu alaƙa suna baya baya ga saurin haɓaka masana'antar takalmi.Sabili da haka, sun mai da idanunsu zuwa ga kafuwar da aka riga aka kafa kuma babbar kasuwar kayan takalma ta kasar Sin.Bisa binciken da aka yi, wadannan kasashe da yankuna da ke samar da takalma a halin yanzu sun fi sha'awar kayan takalma na kasar Sin shine farantin kasa da kuma tashar jiragen ruwa.