I-Longshenghe ibonelela ngoluhlu lweetreyi zokuthontsiza ukuze zisetyenziswe ngeelitha ezingama-25, iilitha ezingama-200, kunye nezinye iidramu ezinobungakanani.Ezi zibonelela ngokusingqongileyo okukhuselekileyo kwe-oyile yakho, iikhemikhali, kunye neminye imigqomo engamanzi.
Iitreyi zokuthontsiza nazo zinokufakwa phantsi koomatshini;kuquka iijenereyitha kunye nezixhobo zokuvelisa ukuqokelela naziphi na iidriphu kwaye zithintele ukuba zisasazeke kuwo wonke umgangatho.
Ukusetyenziswa kweetreyi zokuthontsiza kunceda ukugcina indawo yokusebenza ekhuselekileyo kwaye kuthintele ukusasazeka kokuchitheka kunye nomonakalo onokwenzeka kumgangatho.Ngokuqulatha ulwelo kwitreyi yedriphu ixesha lokucoca lincitshiswe kakhulu.