Ma grommets atha kugwiritsidwa ntchito kudzaza mabowo pamapanelo okhomerera, kusindikiza, kutsekereza komanso kuteteza mawaya ndi zinthu zomwe zikudutsa.
Perekani ntchito zosinthidwa makonda kwamakampani odziwika kuyambira 2007.
Zogulitsa zogulitsa zimakumana ndi Rohls, Reach, FDA, LFGB yogwirizana.
Gawo la silicone limaphatikizapo mbali zolimba za silikoni, gawo la silikoni yamadzimadzi, LSR, silikoni ya HTV, ndi zina zotero.
Osati gawo la silicone lokha komanso magawo a mphira ndi ma jakisoni, P + R, P + Metal.
Perekani zinthu zabwino kwambiri malinga ndi ntchito yamalonda ndi zofunikira pakuchita.
Chogulitsa chonsecho chimalizidwe mumsonkhano wathu wopanga malo amodzi popanda gwero lakunja.
Tili ndi zaka 11 pakupanga komanso zaka 14 zakugulitsa kunja.