Holing LLC

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The enterprise manufactures a complete portfolio of standard and custom quartz components engineered for photonics and diffusion applications. Its product line includes tubes, boats, plates, rods, crucibles, rings and ingots, as well as quartz sleeves, countertops, pins and quartz sand. In addition, the company supplies both flame‑fused and electrically fused quartz tubes. Its customer base spans the electronics, chemical, solar, semiconductor and optical sectors.

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