... matte, sandblasting, enamel etc.IP( vacuum plating) colors: gold, rose gold ,black ,coffee,silver color,bronze...guarantee no color fading ... within 2-5 years.Logo Finishing: laser, etch, incision, filled ... testing report is availableOEM & ODM: welcome Reference stylesTitanium Gold Ball Chain TN93 Titanium Gold Ball Chain (2.4mm)