GCL-Poly subsidiary to supply silicon tetrachloride to Evonik and GCL new JV



GCL-Poly subsidiary, Jiangsu Zhongneng Polysilicon Technology Development, is to supply silicon tetrachloride, a byproduct of polysilicon production to a new joint venture between Evonik Industries and GCL-Poly Energy Holdings that will produce fumed silica and ultra-pure silicon tetrachloride.

A new 20,000MT JV plant will be built in Xuzhou Jiangsu Province, China to supply various industries with the ultra-pure materials.

Ultra-pure silicon tetrachloride will also be purchased back by Jiangsu Zhongneng Polysilicon for polysilicon production.

The move is part of GCL-Poly's plans to leverage existing facilities and diversify its market footprint and potentially reduce material costs for polysilicon production.

“Dedicated to promoting the application of solar energy worldwide,GCL-Poly is the largest global supplier of photovoltaic materials. This cooperation can combine Evonik’s advanced technologies of producing silica and ultra-pure silicon tetrachloride with Jiangsu Zhongneng’s leading technologies of silicon material production,” said Zhu Gongshan, chairman of GCL-Poly.

“The partnership will enhance GCL-Poly’s overall competitiveness by diversifying the silicon products, better serving its main business, and meeting market demand.”


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