DD FASTENERSzvakare yakatenderwa neISO 9001 chitupa uye mafekitori mashandiro anoitwa zvinoenderana ne6S standard.DD FASTENERSvari kutevedzera zvose DIN uye pasi rose mitemo, kupa zvizere siyana zvigadzirwa.
Anti-corrosion michina yakabatana neGerman tekinoroji, kuchengetedza nharaunda, anti-asidhi, hunyoro uye kupisa kupisa, mavara akasiyana, munyu-spray bvunzo yakatosvikwa kusvika maawa zviuru zvitatu.
DD fastenersine otomatiki yekudzora systerm kubva kune yakabikwa kusvika kune yakapera zvigadzirwa uye yakashongedzerwa yakakwana yemhando yekuyedza michina.
DD FATENERSzvakare inotora chinzvimbo chinotungamira chine otomatiki rotary side Vickers, micro hardness muchina, digital display Rockwell apparatus, tensile kuyedza muchina, metallographic sample yekucheka muchina, drilling screw tapping speed machine, chiyereso chekuyera mufananidzo, yekudhonza-out test machine uye salt spray corrosion test room uye electroplated machine etc.