Zhejiang Zhongning Silicon (浙江中宁硅业)

Zhejiang Zhongning Silicon Industry Co., Ltd. (中宁硅业) is a Chinese manufacturer of high-purity silicon materials and electronic special gases, founded in December 2007 and headquartered in Quzhou, Zhejiang Province. The company produces high-purity silane gas used in photovoltaic power generation, TFT liquid crystal screens, and semiconductor integrated circuits, as well as electronic-grade polysilicon for microelectronics, transistors, and integrated circuits. It also manufactures high-purity nano-silicon powder used as a negative electrode material for lithium-ion batteries and as a semiconductor luminescent material.