Iincakuba zeesarha ziyagutyungelwa ngokobukhulu obufunekayo kunye nokuqinisekisa imilinganiselo efanayo yencakuba yesarha. Emva kwe-welding okanye i-sintering of saw blades, kuya kubakho amabala e-rust kunye nezinye iziphene kwi-substrate, ezichaphazela umgangatho wokubonakala. Ukucwenga ngaphambi kokupeyinta kuya kuphucula kakhulu umgangatho wokubonakala kunye nokwandisa ukukhuphisana kwemveliso. I-Donglai Metal inomhlaba omkhulu wokugaya iincakuba zeesarha ezijikelezayo, ukuya kuthi ga kwi-2,200 mm ububanzi. Ukupholishwa kweencakuba ukuya kuthi ga kwi-800 mm kwenziwa kumatshini wokupholisha ozenzekelayo.