Chikwama cha zipper choyimirira chimapangidwa ndi zida zomangira zomwe zimaphatikizidwa ndi zida zosiyanasiyana. Pali ndondomeko yothandizira pansi pa thumba, yomwe ingathe kukwaniritsa zotsatira zoyima payokha, ndipo ili yoyenera njira zosiyanasiyana zosindikizira. Pankhani yokonza mawonekedwe azinthu, ndikulimbitsa bwino mawonekedwe. Ndipo ndizosavuta kunyamula, ndipo mawonekedwe ogwiritsira ntchito bwino amagwirizana kwambiri ndi mawonekedwe ndi zizolowezi za anthu amakono. Ili ndi maubwino ambiri monga kusungitsa mwamphamvu komanso kusindikiza, kusunga nthawi yayitali, ndi zina zambiri, zomwe zimakwaniritsa zomwe zikuchulukirachulukira pamsika ndipo zimagwirizana ndi zomwe zikuchitika masiku ano.
1.Pamalo fakitale yomwe yakhazikitsa zida zamakina zodziwikiratu, zomwe zili ku Dongguan, China, zokhala ndi zaka zopitilira 20 m'malo olongedza.
2.A zopangira katundu?ndi ofukula kukhazikitsa, amene ali ndi ulamuliro waukulu wa chain chain ndi zotsika mtengo.
3.Guarantee kuzungulira Pa nthawi yobereka, In-spec mankhwala ndi Zofuna Makasitomala.
4.Satifiketiyi ndi yathunthu ndipo imatha kutumizidwa kuti ikawunikidwe kuti ikwaniritse zosowa zosiyanasiyana za makasitomala.
5.ZITSANZO ZAULERE zimaperekedwa.
Tsegulani mawonekedwe awindo, otha kusankha zinthu mwachilengedwe.
Ndi stand up base, imirirani nokha mukapanda kanthu kapena mutadzaza.
Mapangidwe a dzenje lozungulira ali ndi ntchito zambiri, zomwe zimatha kuwonetsedwa ndi matailosi kapena chiwonetsero chopachikika.
Zogulitsa zonse zimayesedwa kovomerezeka ndi labu ya iyr yapamwamba kwambiri ya QA Ndikupeza satifiketi ya patent.