Isikhombisi somgqibelelo wamanzini wesincinci laseShandong Tonda sisetyenziswa ukusuka kwezifundo zesincinci ukubaqhuka imanzini kwezinyathelo ezincane, njengoko-ekhophi noma amasima omnyama. Isikhombe sokuphiwa ngepolyurethane okanye indlu yakhe yabelana nesigaba esihlukene (40–60%), ukuze sihlaleke iimpahla eziqinileyo ngokushesha ekugcineni. Umthetho wapolyurethane wenkqubo yokubona kakhulu (Izod impact strength ≥20 kJ/m²) usetyenziswa ukwakhiwa ukuthi akukho amagcindele angaphandle komsebenzi olungaphansi, phakathi lokunyelelwa kwezinyathelo ezizicatshwayo. Kuyindlela engcono yezilondolozi zokumema noma izilimelwano zokulabenteka, ukuze kuhambisane nomgqibelelo wamanzini ngendlela eyayiqinisekisa ukubaqhula imanzini ngokuphi ndawonye umoya. Bonisa nethemba ukufunda amanani akhona kwezinto zakho ezinamandla engezantsi.