Dongguan Haocheng Metal Spring Co. Ltd. e tọrọ ntọala na 2005, ụdị nile nke nkenke metal mmiri, stamping ọkachamara mmepụta emepụta. Company na-ekpuchi ebe n'elu 10,000 square mita, osisi ebe nke n'elu 6,000 square mita, na ihe karịrị 100 Taiwan oge a nkenke mmepụta ngwá na ule ngwá, dị ka Taiwan CNC502 kọmputa mmiri igwe, Taiwan CNc8cs kọmputa mmiri igwe, akpaka lathes na Taiwan Igwe igwe na-agba ọsọ dị elu, ntụ ntụ ígwè Taiwan, igwe na-akụ akpaaka…