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Brass is a metal alloy made of copper and zinc, if only consists of copper and zinc....
Tin phosphor bronze is an alloy of copper, it is the earliest human application of alloy, whose usage history is about 4000 years....
CuCrZr has the properties of good electrical conductivity and thermal conductivity, high hardness, wear resistance of anti-explosion....
It is a kind of environmental protection material, which can totally meet the newest environment-protection....