... showed are made up of brass,anyway,we can do any metal parts,such as stainless steel,steel,iron,aluminum,brass, ... machining.2Weight:1-50kgs3Process:sand casting and machining4Certificate:ISO9001-20005.We have our own foundry and machining factory with establishment ... years. OEM supplier,we have foundries and a machining shop,we will give you our best offer as soon as we receive your inquiry.Both of ...