Core Viewpoint - The article provides a detailed analysis of the pricing trends for high-purity quartz sand and quartz crucibles, indicating stable prices across various categories as of June 10, 2025, with no significant fluctuations reported [1][2]. Pricing Analysis of High-Purity Quartz Sand - Import quartz sand has a highest price of 10.5 million yuan per ton, a lowest price of 9 million yuan, and a current price of 9.75 million yuan, with no price fluctuation [1]. - Inner layer quartz sand is priced at a maximum of 7 million yuan, a minimum of 5 million yuan, with a current price of 6 million yuan, also showing no fluctuation [1]. - Middle layer quartz sand has a highest price of 3 million yuan, a lowest price of 2.5 million yuan, and a current price of 2.75 million yuan, with no price fluctuation [1]. - Outer layer quartz sand is priced at a maximum of 2.2 million yuan, a minimum of 1.8 million yuan, and a current price of 2 million yuan, with no fluctuation reported [1]. Pricing Analysis of Quartz Crucibles - The 28-inch quartz crucible has a highest price of 0.62 million yuan, a lowest price of 0.6 million yuan, and an average price of 0.61 million yuan, with no fluctuation [1]. - The 32-inch quartz crucible is priced at a maximum of 0.7 million yuan, a minimum of 0.66 million yuan, and an average price of 0.68 million yuan, also showing no fluctuation [1]. - The 36-inch quartz crucible has a highest price of 0.78 million yuan, a lowest price of 0.74 million yuan, and an average price of 0.76 million yuan, with no price fluctuation [1].

回国確心 China Silicon Industry 『 主办单位 : 中 国 有 色 金 属 工 业 协 会 硅 业 分 会 了 ㄴ Hosted by: Silicon Industry of China Nonferrous Metals Industry Association – ...

同时，公司通过优化生产工艺、加装智能监测系统，实现"三废"治理从"末端"向"源头"转变，树立了绿 色生产标杆，并以"精准治污"为目标，建成"冷凝+酸洗+氧化+活性炭吸附脱附"深度治理装置，使VOCs 治理效率提升至90%以上。 在生产流程优化方面，公司300#精馏系统引入多变量预测控制等技术，提升自动化水平，降低蒸汽消 耗；自主开发的触媒净化再利用工艺，不仅提高了触媒活性，还实现了资源循环利用，确保生产安全、 平稳、高效。在能源管理方面，公司打造"梯级利用"样板间、循环水泵换装高效节能"心脏"，电耗降低 15%；凉水塔风机改用永磁电机，系统效率提升12%；精馏装置余热回收项目每年节约标准煤7000吨。 在水资源管理方面，公司采取通过"三回两替一降低"举措，实现水资源的优化配置与梯级利用。 中化新网讯 近日，唐山市工业和信息化局发布《关于公布唐山市2025年度达到市级绿色工厂条件企业 名单的通知》，三友集团硅业公司成功入选。 为推进绿色发展，三友硅业成立了"绿色发展管理委员会"，将绿色指标纳入核心考核体系，形成"目标 分解—过程管控—成效评估"的闭环机制，并制定《节约能源中长期规划》，明确"资源利用最大化、能 ...

据硅业分会，本周工业硅现货价格小幅下跌。过去一周（2025年5月22日-28日），主力合约收盘价从 7880元/吨震荡波动至7340元/吨，跌幅为6.85%。全国综合价格为8961元/吨，下跌98元/吨，其中分牌号 来看，553为8652元/吨、441为9215元/吨、421为9617元/吨，分别下跌100元/吨、98元/吨和98元/吨，新 疆、云南、福建和四川的综合价格为8819元/吨、9601元/吨、14912元/吨和9500元/吨。FOB价格持稳。 ...

『 主办单位 : 中 国 有 色 金 属 工 业 协 会 硅 业 分 会 了 ㄴ Hosted by: Silicon Industry of China Nonferrous Metals Industry Association – 回国確心 China Silicon Industry ...

87 ! 回国语业 载 China Silicon Industry 『 主 办 单 位 : 中 国 有 色 金 属 工 业 协 会 硅 业 分 会 了 ㄴ Hosted by: Silicon Industry of China Nonferrous Metals Industry Association – ...

『 主办单位 : 中 国 有 色 金 属 工 业 协 会 硅 业 分 会 了 ㄴ Hosted by: Silicon Industry of China Nonferrous Metals Industry Association – 回国確心 China Silicon Industry ...

Core Viewpoint - The report from the Silicon Industry Association indicates that the supply and demand fundamentals for industrial silicon have not shown significant improvement, leading to a continuous decline in prices [1] Group 1: Supply and Demand - As of the second quarter, the supply and demand fundamentals for industrial silicon remain weak, with no noticeable improvement [1] - The market trading atmosphere is described as lackluster, with downstream demand not showing significant growth, primarily driven by essential procurement [1] Group 2: Price Trends - On May 9, the closing price of the main contract for industrial silicon reached a record low of 8,205 yuan per ton since the futures listing [1] - The combination of weak demand and depressed market prices has resulted in a decline in the spot price of industrial silicon [1]

回国確心 China Silicon Industry 『 主办单位 : 中 国 有 色 金 属 工 业 协 会 硅 业 分 会 了 ㄴ Hosted by: Silicon Industry of China Nonferrous Metals Industry Association – ...