Isikhombisi sesiqephu esisetyenziswa kwiseShandong Tonda sishumi ngokupheleleyo, ukuze lisebenzise kakhulu kumsebenzi wesikrini esincane lokusebenza, njengeminyango yezimali kunye nokuzilaywa komenti. Ukudla olunqanawa kanye nesikhombiso sesiqephu esisetyenziswa kwe-polyurethane sikusetyenziswa ukuba zibhekise amalungu angaphakathi kokuthi akukho imfihlo engeziyo kunye nezinhlangano ezinamandla (80-160 Hz). Umsindo wakhe olufixed wenze isibindi phakathi kwesikhashana sokuthiwa, futhi umoya we-polyurethane wahluke ukubhala kunye nokuhlola okulandelayo kwiinkxaso zechemicals, ukusukelela uphawu lwakhe ngokupheleleyo kumhlaba ofumanekayo. Ngenxa yokuthi lesheshi lesikhulu (5-50 m²), iyiphawulekile kunye nenkulunkulu yokushesha kwezinto ezingashe. Bonisa nethemba ukubonisa izidingo zomsebenzi wesiqephu esisetyenziswa kwiseShandong Tonda kulesi sicelo sakho.