Jan 05, 2013
Quartz Producing Expert
SiO2:99.9999%
Certi:ISO9001,ISO14001,OHSA18001
quartz sand,quartz factory,quartz powder
The product is widely used: halogen lamps, mercury lamps, single-ended lamp, automobile lamp, stage lamp, thermocouple, copiers lights, water treatment lamp casing, all...