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High-purity Polysilicon

Daqo Energy's high-purity polysilicon products are widely used in solar PV

Daqo Energy's high-purity polysilicon products are widely used in solar PV industry. More than 99% of the company's products can meet the demand of downstream monocrystalline silicon wafers, and the product quality can completely replace the imported monocrystalline silicon wafers. The company is the leading supplier of N-type monocrystalline silicon wafers in China.


Daqo Energy's polysilicon production adopts the mature and stable modified Siemens process and cold-hydrogenation production process. Through years of technical research and industrial construction, it has achieved the preparation of high-quality, low-power and low-cost high-purity polysilicon products through digital, intelligent production devices and closed-loop operation process.


Product Size
The linear dimension is between 8-120mm.


Quality Assurance and Packaging
More than 99% of the company's high-purity polysilicon products comply with the electronic grade III standard and more than 90% comply with the electronic grade I standard (GB/T 12963-2014). Each batch of polysilicon materials are tested for various quality indicators and the traceability of the products is guaranteed.
The products are packed in polyethylene bags, with each bag of 10Kg and each box of 750Kg. The surface of the product is free of color spots, discoloration and visible pollutants, polysilicon with carbon, metals or other impurities, which can meet the needs of customers for direct use in the furnace.

The linear dimension is between 8-120mm.

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