Yuhuang Technology bụ ọkachamara na skru isii lobe, Phillips, hexagon head, na pan head nke na-eme ka onwe ya tapping skru nke e ji ọla kọpa, ígwè carbon, ígwè anaghị agba nchara, na ihe e ji zinc mee. Site na eriri dị nkọ maka ijidesi ike, a na-ejikarị ha eme ihe n'ihe gbasara eletrọniki, ụgbọ ala, ngwa, na ngwa ụlọ ọrụ mmepụta ihe. Enwere ike ịhazi OEM/ODM.