Zomangira za Gongbing zodzibowola zimagwiritsa ntchito ukadaulo waku Germany, zili ndi kapangidwe koyenera, mphamvu yozikika yolimba komanso yosavuta kugwiritsa ntchito:
Zopangira zomwe zimagwiritsidwa ntchito zonse zimachokera kumakampani akuluakulu azitsulo zapakhomo ndipo zimatha kukwaniritsa zofunikira zazitsulo zolimba kwambiri: teknoloji yapamwamba kwambiri padziko lonse lapansi, anti-corrosion ndi kutsutsa nyengo ndi nthawi 5 kuposa mankhwala wamba malata.
Makina ochapira a EPDM omwe amagwiritsidwa ntchito ali ndi kusindikiza bwino, kukana kutentha, kukana kwamankhwala,
Kukaniza kwamphamvu ndikokwera kwambiri kuposa washer wamba wa EPDM.
Hexagonal kubowola mchira wa waya makamaka ntchito kukonza matailosi mtundu zitsulo nyumba zitsulo, ndipo amagwiritsidwanso ntchito pokonza nyumba zosavuta mbale woonda, ndi kulumikiza zitsulo ndi zitsulo monga kuwala zitsulo keels, matabwa, ndi mbiri aluminiyamu.