性爱视频网站Quartz crucible-煙台安龙数控制造有限责任公司
 
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Quartz crucible

Quartz crucible

  • Quartz crucible is a container used to load polysilicon material in solar energy polysilicon ingot production and melt and crystallize it at 1560℃ to produce polysilicon ingot.Adopt special injection process, higher safety, we are at an very important pos

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