波多野结衣久久国产精品-亚洲精品午夜-亚欧乱色束缚一区二区三区-久久国产乱子伦精品免费不卡

Long crystal production line

The company develops its own 80KG level、120KG level intelligent sapphire crystal furnace, whose growth crystal’s average utilization rate can reach more than eighty percent.

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