Quartz rod

• High temperature clear quartz rod groove boat
• photovoltaic use High temperature quartz rod
• clear quartz rod9*1830mm
• Polycrystalline silicon ingot high temperature quartz rod 9-12mm
• Polycrystalline silicon long crystal test with a quartz rod 10*2500mm
• High-purity high-temperature quartz rod for the semiconductor industry
• GE214 clear quartz rod 9*1830mm