U-Shandong Tongda uhlamvu lwe-polyurethane elikhulu kwiindawo zokugquma lufakwa ngempumelelo yokuvumela izicwangciso ezidingekayo nokuthuthukiswa kwesikhashana esingazisisekelwa kwindawo yokuqinisa ukusula. Ifakwe ifakwa nge-materials ye-polyurethane efaniswayo ne-FDA kunye ne-NSF, lokhu lifanele, asihlupheke amagwebu kunye nokuthi akudinga imibuzo engaphambili okuyizila lezinto ezifanayo. Isiphelo esiqedile sokuqala kuhluhluka ukuxhasa umkhuhlane wezilungu zokusula nokubactera, uvumelene nesiphiwo sokulanda futhi uhluhluke izicwangciso ezikhulu. Ukukhathalwa kwakhona kuhluhluka ngendlela yokuhlala phakathi komoya ongaphambili kwezilungu ezifanayo, njengomthetho wemali wokugquma nokulandelana noma amanye amaxhobo asebenza kwiindawo yokusula. Ukusuka kwehlamvu kuhluhluka ngokwenzeka ukuthi akavamele iindlela zokusebenza zeconveyor system ezindaweni zokusula, futhi idilesine yakhe evulekile yenziwe ukuthi alindelele phakathi konqanawa yesithonjwa, ukucabanga ukuthi akhutshwe ukusula nokuthi akusosha. Ngenkinga ezidingekayo zokubheka ukuthi, u-Shandong Tongda uhlamvu lwe-polyurethane elikhulu kwiindawo zokugquma lufakwa ngokwesigaba esingasuso kwiindawo yokusebenza lokusula.