DD FASTENERSkomanso kuvomerezedwa ndi satifiketi ya ISO 9001 ndi ntchito zamafakitale zomwe zimachitidwa molingana ndi 6S standard.DD FASTENERSamagwirizana ndi DIN komanso miyezo yapadziko lonse lapansi, kuti apereke zinthu zambiri.
Zida zotsutsana ndi dzimbiri zomwe zimagwirizana ndi teknoloji ya Germany, chitetezo cha chilengedwe, anti-acid, chinyezi ndi kukana kutentha, mitundu yosiyanasiyana, kuyesa kwa mchere wamchere kwafika kale maola 3,000.
DD zomangiraili ndi makina owongolera okha kuchokera kuzinthu zopangira kupita kuzinthu zomalizidwa komanso zokhala ndi zida zonse zoyezera.
Malingaliro a kampani DD FATENERilinso ndi malo otsogola okhala ndi mbali zozungulira Vickers, makina olimba ang'onoang'ono, zida zowonetsera digito za Rockwell, makina oyesera osasunthika, makina odulira zitsanzo za metallographic, makina othamanga obowola, chida choyezera chithunzi, makina oyesera otulutsa mchere komanso kuyesa dzimbiri kwa mchere. chipinda ndi makina electroplated etc.