Wopangidwa ndi laputopu wakuda ndi wopanga ultrasound and yoyera ku China, laputopu wakuda ndi zoyera zamakampani apadziko lonse lapansi, ndipo mutha kukhala otsimikizika moyenera. Ngati simukupeza laputopu wakuda wakuda ndi oyera mu mndandanda wathu wopanga, muthanso kulumikizana nafe, titha kupereka ntchito zokonda.