Mapaipi amakona anayi amagawidwa m'mapaipi achitsulo osasunthika ndi mapaipi achitsulo osongoka (mapaipi osokedwa) mapaipi apakati amoto ozungulira opanda msokonezo, mapaipi apakati oziziritsa opanda msoko, mapaipi a sikweya otuluka opanda msoko, ndi mapaipi omangika.Seam square chubu ndi mbiri yokhala ndi masikweya ozungulira ndi kukula kwake kopangidwa ndi chingwe cha Q235 chotenthetsera kapena chozizira kapena coil ngati chinthu choyambira, chomwe chimapangidwa ndi kupindika kozizira kenako ndikuwotcherera ndi kuwotcherera kwanthawi yayitali.Kampaniyo ili ndi luso lolemera pakupanga chitoliro, ndipo imatha kupanga mipope yayikulu / mipope yamakona anayi osiyanasiyana apadera malinga ndi zomwe makasitomala amafuna.Mafotokozedwe azinthu ndi athunthu;m'mimba mwake wa 20mm-800mm akhoza kusinthidwa mosasamala.