【第 1 段建议】: 1. "lmpact"应为"Impact"（字母'l'应为'I'）。 2. "Sand-making"应为"Sand Making"（需用空格而不是连字符）。 3. "EPCO"前后应加空格，以统一格式。 --- 【第 2 段建议】: 1. 在“From Quartz to Photovoltaic Sand:SBM's High-Purity Silicon Solutions”中，冒号后应有一个空格。 2. 在“two major challenges:efficiency and iron contamination”中，冒号后应有一个空格。 3. 在“the purity instantly falling below the red line; However”中，分号后应小写字母“h”。 4. 在“0-10mm finished products”中，应为“0-10 mm finished products”。 5. 在“a meticulously crafted piece of equipment, is becoming”中，逗号后应为“and”而不是逗号。 6. 在“like photovoltaics”中，应为“like photovoltaic”以保持单数形式。 以上为发现的问题。 --- 【第 3 段建议】: 1. "lligent"应为"Intelligent"。 2. "the second device"和"the first device"应保持一致性，应分别改为"the second device"和"the first device"。 3. "the customer’s"中的"customer’s"应为"customer's"。 4. "electrical standardization transformation"中的“transformation”应改为“transformations”以保持与“standardization”一致的复数形式。 5. 句子最后缺少句号。 --- 【第 4 段建议】: 1. "Demand(multiple):" should have a space after "Demand". 2. "Materials (brochures, catalogs）" has a mismatched parenthesis; it should be corrected to "Materials (brochures, catalogs)". 3. "WhatsApp:+86 13761974616" should have a space after "WhatsApp:" for consistency. 4. “Life-cycle Service” should remove the hyphen (depends on the preferred style, but it is often written as “Lifecycle Service”). 5. "Linkedin" should be corrected to "LinkedIn". 6. There is an incomplete sentence or fragment at the end of the text: "l!='dataLaye". It seems cut off and needs to be checked for completion. 7. The year in "Copyright © 2026" should be checked as it may be a typographical error depending on the current year context provided in the task. Please review these points for correction.