DD FASTENERSi ʻae ʻia e ka palapala ISO 9001 a me nā hana ʻoihana i hana ʻia e like me ka maʻamau 6S.DD FASTENERSe hoʻokō i nā kūlana DIN a me ka honua, e hoʻolako i nā huahana piha.
Ua hui pū ʻia nā mea hana anti-corrosion me ka ʻenehana Kelemania, ka mālama ʻana i ke kaiapuni, anti-acid, moisture a me ke kūpaʻa wela, nā kala like ʻole, ka hoʻāʻo paʻakai paʻakai ua hiki i 3,000 mau hola.
DD mea paaLoaʻa iā ia kahi systerm mana automated mai nā mea maka a hiki i nā huahana i hoʻopau ʻia a lako me nā lako hoʻāʻo maikaʻi piha.
DD FATENERSlawe pū nō hoʻi i ke kūlana alakaʻi i lako ʻia me ka ʻaoʻao rotary ʻokoʻa Vickers, mīkini paʻakikī liʻiliʻi, hōʻike kikohoʻe Rockwell apparatus, tensile hoʻokolohua mīkini, metallographic sample ʻoki mīkini, drilling screw tapping speed machine, kiʻi ana mea kani, huki-waho mīkini ho'āʻo a me ka paʻakai spray corrosion ho'āʻo keena a me ka electroplated mīkini etc.