Ndife othandizira padziko lapansi zomanga / zomangamanga, zamkati zogwirira ntchito.
Zogwiritsidwa ntchito zimagwiritsidwa ntchito kwambiri pakupanga makina, kupanga sitima, magalimoto, nyumba zokwera kwambiri, nyumba yayikulu yazitsulo, nyumba yazitsulo, mgodi, chithandizo chachitsulo, mayendedwe a gasi, mayendedwe amadzi, nsanja yoyendetsa mafuta kumigodi, ndi zina zambiri.
Toptac co., Ochepa, yomwe ili ku Hongkong, China, wogulitsa kumayiko ena pomanga / zomangamanga, zopangira m'nyumba. kupereka ndi chingwe cholimba; chitoliro chachitsulo chamoto; chotupa cha EMT; chitoliro chachitsulo ndi chitoliro chopangira pulasitiki; zitsulo zopangidwa; Zogulitsa zambiri ndizoyenererira, mabatani, mayendedwe a anthu wamba, sitimayi yapamwamba kwambiri, zomangamanga zamtundu wa 4 ndi 5 komanso malo okwanira othandizira, magawo omangira olimbitsa magawo kutsitsa komanso madipatimenti.