Hardwares : 1 Material: steel, aluminium alloy, copper 2 Technic: investment casing, ... in different fields with high quality satisfied different needs.hardwares for funiture; hardwares for doors and windows;other hardwares2 Material: Chrome steel ... , copper alloy3 Tecnic: investment casing, precision casing,CNC machining4 Various hardwares according to customers' drawing and samples.