Anshan Machine Model Leads Factory was set up at the beginning of 1987,which is specialized in manufacturing foundation elements and guiding elements,based on miscellaneous products of sole guide pillar,ball pillar,hexagonaly ground pin,sliding pillar,various detachable pillar, guide bush,and steel balls retainers made of plastic,aluminium alloy,copper,and standard or nonstandard cast iron de set,armor plate die set.