The Gongbing self drilling screws e sebelisa theknoloji ea Jeremane, e na le moralo o utloahalang, matla a matla a ho tsitsa 'me ho bonolo ho e sebelisa:
Lisebelisoa tse tala tse sebelisoang kaofela li tsoa lik'hamphani tse kholo tsa tšepe tsa malapeng 'me li ka finyella litlhoko tse thata tsa liboutu tse matla haholo: phekolo e tsoetseng pele ka ho fetisisa lefatšeng.
Sesepa sa EPDM se sebelisitsoeng se na le tiiso e ntle, ho hanyetsa mocheso, ho hanyetsa lik'hemik'hale,
Khatello ea khatello e phahame haholo ho feta washer e tloaelehileng ea EPDM.
Hexagonal drill wire tail e sebelisoa haholo-holo bakeng sa ho lokisa lithaele tsa tšepe tsa mebala tsa meaho ea tšepe, hape e sebelisetsoa ho lokisa lipoleiti tse tšesaane tsa mohaho, le ho hokahanya tšepe le tšepe tse kang litšepe tsa tšepe tse bobebe, likhakele tsa lehong le li-profiles tsa aluminium.