... parts showed are made up of brass,anyway,we can do any metal parts,such as stainless steel,steel,iron,aluminum ... :1-50kgs3Process:sand casting and machining4Certificate:ISO9001-20005.We have our own foundry and machining factory with establishment in 1986,and ... supplier,we have foundries and a machining shop,we will give you our best offer as soon as we receive your inquiry ...