| | | 1. quartz rod
[China] | | quartz rod The material is similar to GE214 ,high purity,strong heat resistance and low coefficient of thermal expansion. It is widely used for filament bridging rod, semiconductor,quartz wielding ro... | | | | | | 2. quartz plate
[China] | | quartz plate It has the great performance such as how heat expansion rate, high temperature proof , chemical stability , perfect insulation, stable ultrasonic delay , best spectrum . It used in the fi... | | |
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