Sofa nwere moto, ihe mgbakwasa, akwa, ihe mkpuchi TV, ihe na-emeghe windo, kabinet kichin, ikuku ventilashị
Akwa ahụike, oche eze, akụrụngwa onyonyo, ebuli onye ọrịa, skuuta ngagharị, oche ịhịa aka n'ahụ
Tebụl nwere ike ime ka ịdị elu dị elu, enyo enyo ma ọ bụ bọọdụ ọcha, ebuli ihe ngosi
Ngwa fotovoltaic, oche ụgbọ ala nwere moto
DerockAchọpụtala dị ka National High-Tech Enterprise, gafere ISO9001, ISO13485, IATF16949 àgwà njikwa usoro asambodo, ngwaahịa nwetara asambodo mba ụwa dị ka UL, CE, wee nweta ọtụtụ patent mepụtara mba.
IATF16949
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