Akwụkwọ anyị

Ndị na-ahụ maka ihe nkiri Dada na-eto eto na gburugburu ụwa. Dị ka ndị dị otú a, ọtụtụ ndị gọọmentị agbaala anyị akwụkwọ, gụnyere European CE, Sweden SEMKO, British ASTA, Germany Dekra (KEMA), Saudi SASO, European ROHS na CB nchekwa nchekwa ngwaahịa. Nke a bụ na mgbakwunye na asambodo site na CCC ndị China na ISO9001 sistemụ arụmọrụ jikọtara. The ụlọ ọrụ e ọdịda ọtụtụ ukpono, gụnyere Shanghai Brand aha, High-tech Enterprise, na Ebe E Si Nweta Mepụta Enterprise.