DD FASTENERSikwavunywe sisatifikethi se-ISO 9001 kunye nokusebenza kweefektri okwenziwa ngokomgangatho we-6S.DD FASTENERSziyahambelana zombini DIN kunye nemigangatho yamazwe ngamazwe, ukubonelela uluhlu olupheleleyo lweemveliso.
Izixhobo ezichasene ne-corrosion ngokubambisana ne-teknoloji yaseJamani, ukukhuselwa kwendalo, i-anti-asidi, ukufuma kunye nokuchasana nokushisa, imibala eyahlukileyo, uvavanyo lwetyuwa-spray sele lufikelele kwiiyure ze-3,000.
I-DD fastenersinesistim yolawulo oluzenzekelayo ukusuka kwizinto eziluhlaza ukuya kwiimveliso ezigqityiweyo kwaye zixhotyiswe ngezixhobo zokuvavanya umgangatho opheleleyo.
DD FATENER'Sikwathatha indawo ekhokelayo exhotyiswe ngecala elijikelezayo leVickers, umatshini wobulukhuni obuncinci, umboniso wedijithali izixhobo zeRockwell, umatshini wokulingwa obunzima, umatshini wokusika isampulu yemetallographic, umatshini wokubhoboza umatshini wesantya, isixhobo sokulinganisa umfanekiso, umatshini wovavanyo wokutsala kunye novavanyo lokutshiza ityuwa. igumbi kunye nomatshini we-electroplated njl.