Ntawm Dongguan Yuhuang electronics technology Co., LTD, peb muaj kev txaus siab ua ib qho ntawm cov ua lag luam thiab cov neeg muag khoom ntawm cov ntsia hlau ntsia hlau, los yog grub screws, hauv kev lag luam kho vajtse fastener.Nrog peb cov khoom siv ntau yam, suav nrog cov hlau tsis muaj steel, carbon steel, tooj liab, hlau alloy, thiab lwm yam, peb muab cov kev daws teeb meem kom tau raws li cov kev xav tau ntawm peb cov neeg siv khoom muaj nuj nqis.