Yuhuang Electronics Dongguan Co., Ltd., setsebi sa ho fana ka ditharollo tsa di-fasteners tse ikgethileng, e thehilwe ka 1998 mme e fumaneha Motseng wa Dongguan—setsi se tummeng lefatsheng ka bophara bakeng sa ho sebetsana le dikarolo tsa di-hardware. Re etsa di-fasteners tse latelang maemo a fapaneng, ho kenyeletswa GB, American Standard (ANSI), German Standard (DIN), Japanese Standard (JIS), le International Standard (ISO). Ho feta moo, re fana ka di-fasteners tse entsweng ka ho kgetheha tse ntlafaditsweng ho ya ka ditlhoko tsa hao tse ikgethang. Yuhuang e ithorisa ka sehlopha sa basebetsi ba nang le bokgoni ba fetang 100, ba kenyeletsang baenjiniere ba profeshenale ba 10 le basebetsi ba 10 ba nang le boiphihlelo ba thekiso ba matjhaba. Re nka ditshebeletso tsa bareki e le tsa bohlokwa haholo, e leng se etsang hore e be ntho ya bohlokwa mesebetsing ya rona.