Yuyao Ruihua Hardware Factory Ng’omukugu mu kukola amangu omukozi n’omugabi mu China, enkolagana zonna ez’amangu ziyise ku mutindo gw’okuweebwa satifikeeti z’amakolero g’ensi yonna, era osobola okukakasa ddala omutindo. Bw’oba ​​tosangamu bigendererwa byo eby’amangu mu lukalala lw’ebintu byaffe, osobola n’okututuukirira, tusobola okutuwa obuweereza obutuukiridde.