Kwi-Shandong Tonda, umsebenzi omncane wamagama apho lokugcina lomphathisi wesikrini lesi-polyurethane kufuneka usebenzise imali engaphezulu yezilimi ezincane noma iziphrojekthi zokusha esikhatsi sokuqala, njenge-mobayili yophethuthu olungaphandle nokulula amakhamba nokulula amacala. Ukubuyisela kwesikrini ngokumelene ne-polyurethane efundekayo kunquma isibhaziso semanzelo (isibhaziso somanzelo ≤200 mg) kunye nokuphucukeleka ngempahla okuncane nephiwo elihlobene ngenqanawe. Isidingo sesikrini sifanele ukuba asikho ukusetyenziswa kunye nokususa, ukuhlukanisa imali yesikhwama kunye nokukhuphuka komsebenzi. Ngakwesiphiwo sokushintsha, kufuneka ubuyekeze le ndlela yokuhlola ngokuthi inqanawe yezindaba (≥20 MPa) kunye nokubizwa kwe-aperture. Faka imboniso nethu ukubaluleka ngemithombo eyahlukileyo yokusha esikhatsi sokuqala.