Kuwunika kwa Nsalu:

Nsalu iyi imatha kukumana ndi GB/T standard, ISO standard, JIS standard, US standard.Nsalu zonse zidzawunikiridwa 100 peresenti musanatumize malinga ndi American four point system standard.

Chifukwa chiyani timasankha nsalu za thonje pansalu ya mthumba

Chovala chamthumba cha thonje chimapangidwa ndi thonje ngati zopangira ndipo zimapangidwa ndiukadaulo wa nsalu.Ili ndi mawonekedwe a kuyamwa chinyezi, kusunga chinyezi, kukana kutentha, kukana kwa alkali ndi ukhondo.Nthawi zambiri, nsalu zoyera za thonje zimakhala ndi mayamwidwe abwinoko a chinyezi komanso kukana kutentha, ndipo zimakhala zomasuka kuvala.Zovala zogwirira ntchito m'mafakitale zomwe zimafuna kuyamwa kwachinyontho chambiri zimatha kusankha nsalu zoyera za thonje kuti zisinthidwe.Mwachitsanzo, yunifolomu ya sukulu yachilimwe, etc.