D D FASTENERS hape e amohetsoe ke setifikeiti sa ISO 9001 le ts'ebetso ea lifektheri tse etsoang ho latela 6S standard. D D FASTENERS li tsamaisana le litekanyetso tsa bobeli tsa DIN le tsa machabeng, ho fana ka lihlahisoa tse felletseng.
Lisebelisoa tsa anti-corrosion li sebelisane le theknoloji ea Jeremane, ts'ireletso ea tikoloho, anti-acid, mongobo le ho hanyetsa ho chesa, mebala e fapaneng, tlhahlobo ea letsoai la letsoai e se e fihlile ho lihora tse 3,000.
Li-fasteners tsa DD e na le systerm ea taolo ea boiketsetso ho tloha lihlahisoa tse tala ho isa lihlahisoa tse felileng ebile e na le lisebelisoa tse phethahetseng tsa tlhahlobo ea boleng.
D D FATESI e boetse e nka boemo bo etelletseng pele bo hlophiselitsoe lehlakoreng la Vickers ka boeona, mochini o boima oa lisebelisoa, Rockware lisebelisoa tsa lisebelisoa, mochini o thata oa liteko, mochini o hlakoang mehlala oa tšepe, mochini o qhekellang sekhahla sa mochini, sesebelisoa sa tekanyo ea litšoantšo, mochini o tlatsang teko le tlhahlobo ea letsoele la letsoai. kamore le mochini o khethiloeng ka motlakase joalo-joalo.