Respiratory devices price request Nepal

I am working in the field of respiratory medicine as a Biomedical Engineer. Here I am working with some Chinese devices. I am not fully satisfied with these device for some technical and other reasons so I am searching for some fine devices since last 3 months and I would like to inform you that I am interested and want to work with your devices as they seem to be better than what I am working on. So, please provide me the best price of your products .
Waiting for your prompt response.