DD FASTENERSkuj tau pom zoo los ntawm ISO 9001 daim ntawv pov thawj thiab cov chaw ua haujlwm ua haujlwm raws li 6S tus qauv.DD FASTENERSyog ua raws li DIN thiab thoob ntiaj teb cov qauv, muab tag nrho cov khoom.
Cov cuab yeej tiv thaiv corrosion tau koom tes nrog lub teb chaws Yelemees thev naus laus zis, kev tiv thaiv ib puag ncig, tiv thaiv acid, noo noo thiab kub tsis kam, xim sib txawv, kev ntsuas ntsev-txheej tau mus txog 3,000 teev.
DD fastenersmuaj kev tswj hwm kev tswj hwm tus kheej los ntawm cov khoom siv raw mus rau cov khoom tiav thiab nruab nrog cov cuab yeej ua tiav zoo.
DD PHEEJkuj yuav siv sij hawm qhov chaw nruab nrog cia li teb sab Vickers, micro hardness tshuab, digital zaub Rockwell apparatus, tensile sim tshuab, metallographic qauv txiav tshuab, drilling ntsia hlau tapping ceev tshuab, duab ntsuas ntsuas, rub-tawm xeem tshuab thiab ntsev tsuag corrosion kuaj chamber thiab electroplated tshuab thiab lwm yam.