[quartz sand prices up 400% over the same period more than listed companies layout expansion] May 14, high-purity quartz sand prices continue to rise recently, leading enterprises frequently raise prices, according to statistics, more than 400% over the same period last year. Qi Haiyi, a senior figure in new energy, told reporters that mainly because the popularity of the photovoltaic industry has led to a strong demand for quartz crucible products, high-purity quartz sand is facing shortage. Domestic quartz shares with large-scale mass production of high-purity sand technology told reporters that with the great development of the photovoltaic industry, the company's products are expected to usher in a new round of rapid growth, and will actively promote capacity expansion this year. It has been revealed that the 60,000-ton quartz sand project will be put into production in 2023. In addition, Shijing Technology, Kaisheng Technology and other listed companies are also investing heavily in quartz sand production capacity, and aimed at synthetic quartz sand projects, hoping to form a certain replacement for natural sand. (Wu Chao, reporter of the Financial Associated Press)