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With a smooth surface, this transparent quartz glass tube has a high purity of silicon dioxide Becides of the same chemical and physical properties as common quartz glass tubes, it....

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This quartz glass tubes wall thickness is thicker than common ones.Because of good heat stability, high capability of previous to light and corrosion resisting of acid, it is always....

negotiation

Gray quartz tube is the good material for electric heating and far-infrared heating. It has been enjoying high reputation since it came out. On the basis of sustaining innovation....