Dongguan aoyi hardware products Co Ltd , which have twelve years experience in making all kinds of copper, iron, aluminum, stainless steel and alloy steel screws, CNC parts.We satified the EU environmental requirements and approved with ISO standard, owned advanced auxiliary facilities: the optical sorting machine by computer controled automatically. etc. To continue to meet customer requirements; looking forward to cooperating with you! Dongguan aoyi hardware products Co Ltd. was set up on ...   |