As the contact element in the electric switch, the performance of the electric contact materials bears on the service performance of the electric switch directly.
Our precision alloy is a kind of metallic functional materials, there as nickel base and copper base these two series.
Precious clad metal is a new functional composite metal. The base metal is copper or copper alloy. Precious metals, such as Au,Ag,Pd,Pt, are cladded on the base metal as an inlay or overly through some speial bonding process.
Hole Jewel contains a series of components that are chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.
Cup jewels are chiefly applied to electronic meter, hot water meter, liquid measuring instrument and movement system of single-phase and triphase KHW meter.
Jewel nozzles are made of synthetic sapphire/ruby and embedded with brass,