Panthawi yomanga ndi kukonza misewu, miyala yayikulu, asphalt, ndi mafuta zidzagwiritsidwa ntchito, ndipo gasi wambiri wonyansa ndi zinyalala zidzapangidwa. Pansi pa mfundo ya "double carbon", kuchepetsa mpweya wotayidwa, Kubwezeretsanso zinthu zakale za asphalt ndiyo njira yokhayo yomwe kumanga ndi kukonza misewu kuyenera kutenga kuti akwaniritse cholinga chimodzi cha kusalowerera ndale kwa carbon. Boma la Xuchang Municipal likufuna njira zopititsira patsogolo kugwiritsanso ntchito Reclaimed Asphalt Pavement (RAP), motero boma lidagulaotentha phula yobwezeretsanso chomera.

Hot Recycled Asphalt Plantndi mtundu watsopano wa chomera chosakaniza phula chomwe chili ndi mawonekedwe apamwamba, makamaka kupanga phula losakanizidwa ndi zomera zotentha, zomwe zimatha kukonzanso konkire ya phula. Kugaya ndi kutolera zinyalala phula osakaniza kutopa analephera phula mumsewu pokonza, pambuyo kuwunika, kutentha, kusunga ndi kuyeza, kudyetsa mu chosakanizira phula kusakaniza chomera molingana ndi milingo yosiyana, kusakaniza wogawana ndi zipangizo namwali kupanga kwambiri phula osakaniza.