Table of Contents Executive Summary 1 Industry Overview of High Purity Fused Silica 1.1 Definition of High Purity Fused Silica 1.2 High Purity Fused Silica Segment by Type 1.2.1 Global High Purity Fused Silica Production Growth Rate Comparison by Types (2014-2025) 1.2.2 Transparent Fused Silica 1.2.3 Opacity Fused Silica 1.3 High Purity Fused Silica Segment by Applications 1.3.1 Global High Purity Fused Silica Consumption Comparison by Applications (2014-2025) 1.3.2 Semiconductors 1.3.3 Production of Electric Light Source Device 1.3.4 Other 1.4 Global High Purity Fused Silica Overall Market 1.4.1 Global High Purity Fused Silica Revenue (2014-2025) 1.4.2 Global High Purity Fused Silica Production (2014-2025) 1.4.3 North America High Purity Fused Silica Status and Prospect (2014-2025) 1.4.4 Europe High Purity Fused Silica Status and Prospect (2014-2025) 1.4.5 China High Purity Fused Silica Status and Prospect (2014-2025) 1.4.6 Japan High Purity Fused Silica Status and Prospect (2014-2025) 1.4.7 Southeast Asia High Purity Fused Silica Status and Prospect (2014-2025) 1.4.8 India High Purity Fused Silica Status and Prospect (2014-2025) 2 Manufacturing Cost Structure Analysis 2.1 Raw Material and Suppliers 2.2 Manufacturing Cost Structure Analysis of High Purity Fused Silica 2.3 Manufacturing Process Analysis of High Purity Fused Silica 2.4 Industry Chain Structure of High Purity Fused Silica 3 Development and Manufacturing Plants Analysis of High Purity Fused Silica 3.1 Capacity and Commercial Production Date 3.2 Global High Purity Fused Silica Manufacturing Plants Distribution 3.3 Major Manufacturers Technology Source and Market Position of High Purity Fused Silica 3.4 Recent Development and Expansion Plans 4 Key Figures of Major Manufacturers 4.1 High Purity Fused Silica Production and Capacity Analysis 4.2 High Purity Fused Silica Revenue Analysis 4.3 High Purity Fused Silica Price Analysis 4.4 Market Concentration Degree 5 High Purity Fused Silica Regional Market Analysis 5.1 High Purity Fused Silica Production by Regions 5.1.1 Global High Purity Fused Silica Production by Regions 5.1.2 Global High Purity Fused Silica Revenue by Regions 5.2 High Purity Fused Silica Consumption by Regions 5.3 North America High Purity Fused Silica Market Analysis 5.3.1 North America High Purity Fused Silica Production 5.3.2 North America High Purity Fused Silica Revenue 5.3.3 Key Manufacturers in North America 5.3.4 North America High Purity Fused Silica Import and Export 5.4 Europe High Purity Fused Silica Market Analysis 5.4.1 Europe High Purity Fused Silica Production 5.4.2 Europe High Purity Fused Silica Revenue 5.4.3 Key Manufacturers in Europe 5.4.4 Europe High Purity Fused Silica Import and Export 5.5 China High Purity Fused Silica Market Analysis 5.5.1 China High Purity Fused Silica Production 5.5.2 China High Purity Fused Silica Revenue 5.5.3 Key Manufacturers in China 5.5.4 China High Purity Fused Silica Import and Export 5.6 Japan High Purity Fused Silica Market Analysis 5.6.1 Japan High Purity Fused Silica Production 5.6.2 Japan High Purity Fused Silica Revenue 5.6.3 Key Manufacturers in Japan 5.6.4 Japan High Purity Fused Silica Import and Export 5.7 Southeast Asia High Purity Fused Silica Market Analysis 5.7.1 Southeast Asia High Purity Fused Silica Production 5.7.2 Southeast Asia High Purity Fused Silica Revenue 5.7.3 Key Manufacturers in Southeast Asia 5.7.4 Southeast Asia High Purity Fused Silica Import and Export 5.8 India High Purity Fused Silica Market Analysis 5.8.1 India High Purity Fused Silica Production 5.8.2 India High Purity Fused Silica Revenue 5.8.3 Key Manufacturers in India 5.8.4 India High Purity Fused Silica Import and Export 6 High Purity Fused Silica Segment Market Analysis (by Type) 6.1 Global High Purity Fused Silica Production by Type 6.2 Global High Purity Fused Silica Revenue by Type 6.3 High Purity Fused Silica Price by Type 7 High Purity Fused Silica Segment Market Analysis (by Application) 7.1 Global High Purity Fused Silica Consumption by Application 7.2 Global High Purity Fused Silica Consumption Market Share by Application (2014-2019) 8 High Purity Fused Silica Major Manufacturers Analysis 8.1 Solvay SA 8.1.1 Solvay SA High Purity Fused Silica Production Sites and Area Served 8.1.2 Solvay SA Product Introduction, Application and Specification 8.1.3 Solvay SA High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.1.4 Main Business and Markets Served 8.2 Huber Engineered Materials 8.2.1 Huber Engineered Materials High Purity Fused Silica Production Sites and Area Served 8.2.2 Huber Engineered Materials Product Introduction, Application and Specification 8.2.3 Huber Engineered Materials High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.2.4 Main Business and Markets Served 8.3 Madhu Silica Private Limited 8.3.1 Madhu Silica Private Limited High Purity Fused Silica Production Sites and Area Served 8.3.2 Madhu Silica Private Limited Product Introduction, Application and Specification 8.3.3 Madhu Silica Private Limited High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.3.4 Main Business and Markets Served 8.4 Evonik AG 8.4.1 Evonik AG High Purity Fused Silica Production Sites and Area Served 8.4.2 Evonik AG Product Introduction, Application and Specification 8.4.3 Evonik AG High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.4.4 Main Business and Markets Served 8.5 Akzo Nobel NV 8.5.1 Akzo Nobel NV High Purity Fused Silica Production Sites and Area Served 8.5.2 Akzo Nobel NV Product Introduction, Application and Specification 8.5.3 Akzo Nobel NV High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.5.4 Main Business and Markets Served 8.6 Nalco Holding Company (An Ecolab Company) 8.6.1 Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production Sites and Area Served 8.6.2 Nalco Holding Company (An Ecolab Company) Product Introduction, Application and Specification 8.6.3 Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.6.4 Main Business and Markets Served 8.7 PPG Industriesinc 8.7.1 PPG Industriesinc High Purity Fused Silica Production Sites and Area Served 8.7.2 PPG Industriesinc Product Introduction, Application and Specification 8.7.3 PPG Industriesinc High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.7.4 Main Business and Markets Served 8.8 Cabot Corporation 8.8.1 Cabot Corporation High Purity Fused Silica Production Sites and Area Served 8.8.2 Cabot Corporation Product Introduction, Application and Specification 8.8.3 Cabot Corporation High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.8.4 Main Business and Markets Served 8.9 Wacker Chemie AG 8.9.1 Wacker Chemie AG High Purity Fused Silica Production Sites and Area Served 8.9.2 Wacker Chemie AG Product Introduction, Application and Specification 8.9.3 Wacker Chemie AG High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.9.4 Main Business and Markets Served 8.10 Qingdao Makall Group Inc 8.10.1 Qingdao Makall Group Inc High Purity Fused Silica Production Sites and Area Served 8.10.2 Qingdao Makall Group Inc Product Introduction, Application and Specification 8.10.3 Qingdao Makall Group Inc High Purity Fused Silica Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.10.4 Main Business and Markets Served 8.11 Unimin 8.12 Anhui ChengShiXin Energy Materials Technology Co., LTD 8.13 Jinzhou Million Foster Quartz New Material Co., LTD 8.14 Heraeus Quarzglas 8.15 RAESCH 8.16 Shanghai Handsome Instrument Co., LTD 8.17 Donghai County Sharp Rose Quartz Products Co., LTD 8.18 Yixing Innovative Optical Glass Co., LTD 9 Development Trend of Analysis of High Purity Fused Silica Market 9.1 Global High Purity Fused Silica Market Trend Analysis 9.1.1 Global High Purity Fused Silica Market Size (Volume and Value) Forecast 2019-2025 9.2 High Purity Fused Silica Regional Market Trend 9.2.1 North America High Purity Fused Silica Forecast 2019-2025 9.2.2 Europe High Purity Fused Silica Forecast 2019-2025 9.2.3 China High Purity Fused Silica Forecast 2019-2025 9.2.4 Japan High Purity Fused Silica Forecast 2019-2025 9.2.5 Southeast Asia High Purity Fused Silica Forecast 2019-2025 9.2.6 India High Purity Fused Silica Forecast 2019-2025 9.3 High Purity Fused Silica Market Trend (Product Type) 9.4 High Purity Fused Silica Market Trend (Application) 10.1 Marketing Channel 10.1.1 Direct Marketing 10.1.2 Indirect Marketing 10.3 High Purity Fused Silica Customers 11 Market Dynamics 11.1 Market Trends 11.2 Opportunities 11.3 Market Drivers 11.4 Challenges 11.5 Influence Factors 12 Conclusion 13 Appendix 13.1 Methodology/Research Approach 13.1.1 Research Programs/Design 13.1.2 Market Size Estimation 13.1.3 Market Breakdown and Data Triangulation 13.2 Data Source 13.2.1 Secondary Sources 13.2.2 Primary Sources 13.3 Author List 13.4 Disclaimer

List of Tables and Figures Figure Picture of High Purity Fused Silica Table Global High Purity Fused Silica Production (K MT) Growth Rate Comparison by Types (2014-2025) Figure Global High Purity Fused Silica Production Market Share by Types in 2018 Figure Transparent Fused Silica Product Picture Figure Opacity Fused Silica Product Picture Table Global High Purity Fused Silica Consumption (K MT) Comparison by Applications (2014-2025) Figure Global High Purity Fused Silica Consumption Market Share by Applications in 2018 Figure Semiconductors Figure Production of Electric Light Source Device Figure Other Figure Global High Purity Fused Silica Revenue (Million USD) (2014-2025) Figure Global High Purity Fused Silica Production (K MT) (2014-2025) Figure North America High Purity Fused Silica Market Size (Million USD) (2014-2025) Figure Europe High Purity Fused Silica Market Size (Million USD) (2014-2025) Figure China High Purity Fused Silica Market Size (Million USD) (2014-2025) Figure Japan High Purity Fused Silica Market Size (Million USD) (2014-2025) Figure Southeast Asia High Purity Fused Silica Market Size (Million USD) (2014-2025) Figure India High Purity Fused Silica Market Size (Million USD) (2014-2025) Table High Purity Fused Silica Raw Material and Suppliers Table Manufacturing Cost Structure Analysis of High Purity Fused Silica in 2018 Figure Manufacturing Process Analysis of High Purity Fused Silica Figure Industry Chain Structure of High Purity Fused Silica Table Capacity and Commercial Production Date of Key Manufacturers Table Global High Purity Fused Silica Manufacturing Plants Distribution Table High Purity Fused Silica Major Manufacturers Technology Source and Market Position Table Recent Development and Expansion Plans in Future Table High Purity Fused Silica Capacity (K MT) of Major Manufacturers (2014-2019) Table High Purity Fused Silica Production (K MT) of Major Manufacturers (2014-2019) Table High Purity Fused Silica Production Market Share of Major Manufacturers (2014-2019) Figure High Purity Fused Silica Production Share by Manufacturers in 2018 Table High Purity Fused Silica Revenue (Million US$) of Major Manufacturers (2014-2019) Table High Purity Fused Silica Revenue Market Share of Major Manufacturers (2014-2019) Figure High Purity Fused Silica Revenue Share by Manufacturers in 2018 Table High Purity Fused Silica Average Price (USD/MT) of Major Manufacturers (2014-2019) Table Global Manufacturers Market Concentration Ratio (CR5 and HHI) Table Global High Purity Fused Silica Production by Regions 2014-2019 (K MT) Table Global High Purity Fused Silica Production Market Share by Regions 2014-2019 Figure Global High Purity Fused Silica Production Market Share by Regions in 2018 Table Global High Purity Fused Silica Revenue by Regions 2014-2019 (Million USD) Table Global High Purity Fused Silica Revenue Market Share by Regions 2014-2019 Figure Global High Purity Fused Silica Revenue Market Share by Regions in 2018 Table Global High Purity Fused Silica Consumption by Regions 2014-2019 (K MT) Table Global High Purity Fused Silica Consumption Market Share by Regions 2014-2019 Figure North America High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure North America High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table North America High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure Europe High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure Europe High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table Europe High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure China High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure China High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table China High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure Japan High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure Japan High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table Japan High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure Southeast Asia High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure Southeast Asia High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table Southeast Asia High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure India High Purity Fused Silica Production Growth Rate 2014-2019 (K MT) Figure India High Purity Fused Silica Revenue Growth Rate 2014-2019 (Million USD) Table India High Purity Fused Silica Production, Consumption Import and Export (K MT) Figure Global Consumption High Purity Fused Silica Market Share by Application (2014-2019) Figure Global Value (Consumption) High Purity Fused Silica Market Share by Application (2014-2019) Table Solvay SA High Purity Fused Silica Production Sites and Area Served Table Solvay SA High Purity Fused Silica Product Introduction, Application and Specification Table Solvay SA High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Solvay SA High Purity Fused Silica Production Growth Rate (2014-2019) Table Solvay SA High Purity Fused Silica Production Market Share (2014-2019) Figure Solvay SA High Purity Fused Silica Revenue Market Share (2014-2019) Table Solvay SA High Purity Fused Silica Main Business and Markets Served Table Huber Engineered Materials High Purity Fused Silica Production Sites and Area Served Table Huber Engineered Materials High Purity Fused Silica Product Introduction, Application and Specification Table Huber Engineered Materials High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Huber Engineered Materials High Purity Fused Silica Production Growth Rate (2014-2019) Table Huber Engineered Materials High Purity Fused Silica Production Market Share (2014-2019) Figure Huber Engineered Materials High Purity Fused Silica Revenue Market Share (2014-2019) Table Huber Engineered Materials High Purity Fused Silica Main Business and Markets Served Table Madhu Silica Private Limited High Purity Fused Silica Production Sites and Area Served Table Madhu Silica Private Limited High Purity Fused Silica Product Introduction, Application and Specification Table Madhu Silica Private Limited High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Madhu Silica Private Limited High Purity Fused Silica Production Growth Rate (2014-2019) Table Madhu Silica Private Limited High Purity Fused Silica Production Market Share (2014-2019) Figure Madhu Silica Private Limited High Purity Fused Silica Revenue Market Share (2014-2019) Table Madhu Silica Private Limited High Purity Fused Silica Main Business and Markets Served Table Evonik AG High Purity Fused Silica Production Sites and Area Served Table Evonik AG High Purity Fused Silica Product Introduction, Application and Specification Table Evonik AG High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Evonik AG High Purity Fused Silica Production Growth Rate (2014-2019) Table Evonik AG High Purity Fused Silica Production Market Share (2014-2019) Figure Evonik AG High Purity Fused Silica Revenue Market Share (2014-2019) Table Evonik AG High Purity Fused Silica Main Business and Markets Served Table Akzo Nobel NV High Purity Fused Silica Production Sites and Area Served Table Akzo Nobel NV High Purity Fused Silica Product Introduction, Application and Specification Table Akzo Nobel NV High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Akzo Nobel NV High Purity Fused Silica Production Growth Rate (2014-2019) Table Akzo Nobel NV High Purity Fused Silica Production Market Share (2014-2019) Figure Akzo Nobel NV High Purity Fused Silica Revenue Market Share (2014-2019) Table Akzo Nobel NV High Purity Fused Silica Main Business and Markets Served Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production Sites and Area Served Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Product Introduction, Application and Specification Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production Growth Rate (2014-2019) Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Production Market Share (2014-2019) Figure Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Revenue Market Share (2014-2019) Table Nalco Holding Company (An Ecolab Company) High Purity Fused Silica Main Business and Markets Served Table PPG Industriesinc High Purity Fused Silica Production Sites and Area Served Table PPG Industriesinc High Purity Fused Silica Product Introduction, Application and Specification Table PPG Industriesinc High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table PPG Industriesinc High Purity Fused Silica Production Growth Rate (2014-2019) Table PPG Industriesinc High Purity Fused Silica Production Market Share (2014-2019) Figure PPG Industriesinc High Purity Fused Silica Revenue Market Share (2014-2019) Table PPG Industriesinc High Purity Fused Silica Main Business and Markets Served Table Cabot Corporation High Purity Fused Silica Production Sites and Area Served Table Cabot Corporation High Purity Fused Silica Product Introduction, Application and Specification Table Cabot Corporation High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Cabot Corporation High Purity Fused Silica Production Growth Rate (2014-2019) Table Cabot Corporation High Purity Fused Silica Production Market Share (2014-2019) Figure Cabot Corporation High Purity Fused Silica Revenue Market Share (2014-2019) Table Cabot Corporation High Purity Fused Silica Main Business and Markets Served Table Wacker Chemie AG High Purity Fused Silica Production Sites and Area Served Table Wacker Chemie AG High Purity Fused Silica Product Introduction, Application and Specification Table Wacker Chemie AG High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Wacker Chemie AG High Purity Fused Silica Production Growth Rate (2014-2019) Table Wacker Chemie AG High Purity Fused Silica Production Market Share (2014-2019) Figure Wacker Chemie AG High Purity Fused Silica Revenue Market Share (2014-2019) Table Wacker Chemie AG High Purity Fused Silica Main Business and Markets Served Table Qingdao Makall Group Inc High Purity Fused Silica Production Sites and Area Served Table Qingdao Makall Group Inc High Purity Fused Silica Product Introduction, Application and Specification Table Qingdao Makall Group Inc High Purity Fused Silica Production (K MT), Revenue (Million USD), Ex-factory Price (USD/MT) and Gross Margin (2014-2019) Table Qingdao Makall Group Inc High Purity Fused Silica Production Growth Rate (2014-2019) Table Qingdao Makall Group Inc High Purity Fused Silica Production Market Share (2014-2019) Figure Qingdao Makall Group Inc High Purity Fused Silica Revenue Market Share (2014-2019) Table Qingdao Makall Group Inc High Purity Fused Silica Main Business and Markets Served Table Unimin High Purity Fused Silica Production Sites and Area Served Table Anhui ChengShiXin Energy Materials Technology Co., LTD High Purity Fused Silica Production Sites and Area Served Table Jinzhou Million Foster Quartz New Material Co., LTD High Purity Fused Silica Production Sites and Area Served Table Heraeus Quarzglas High Purity Fused Silica Production Sites and Area Served Table RAESCH High Purity Fused Silica Production Sites and Area Served Table Shanghai Handsome Instrument Co., LTD High Purity Fused Silica Production Sites and Area Served Table Donghai County Sharp Rose Quartz Products Co., LTD High Purity Fused Silica Production Sites and Area Served Table Yixing Innovative Optical Glass Co., LTD High Purity Fused Silica Production Sites and Area Served Figure Global High Purity Fused Silica Production (K MT) Growth Rate Forecast 2019-2025 Figure Global High Purity Fused Silica Revenue (Million USD) Growth Rate Forecast 2019-2025 Figure Global High Purity Fused Silica Sales Price (USD/MT) Forecast 2019-2025 Figure North America High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure North America High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Europe High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure Europe High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure China High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure China High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Japan High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure Japan High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Southeast Asia High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure Southeast Asia High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure India High Purity Fused Silica Production Growth Rate Forecast 2019-2025 (K MT) Figure India High Purity Fused Silica Revenue Growth Rate Forecast 2019-2025 (Million USD) Table Global Production (K MT) of High Purity Fused Silica by Type (2019-2025) Table Global Consumption (K MT) of High Purity Fused Silica by Application (2019-2025) Table High Purity Fused Silica Distributors List Table High Purity Fused Silica Customers List Table Market Key Trends Table Key Opportunities Table Market Key Drivers Table Key Challenges Table Key Influence Factors Table Research Programs/Design for This Report Figure Bottom-up and Top-down Approaches for This Report Figure Data Triangulation Table Key Data Information from Secondary Sources Table Key Data Information from Primary Sources

Solvay SA Huber Engineered Materials Madhu Silica Private Limited Evonik AG Akzo Nobel NV Nalco Holding Company (An Ecolab Company) PPG Industriesinc Cabot Corporation Wacker Chemie AG Qingdao Makall Group Inc Unimin Anhui ChengShiXin Energy Materials Technology Co., LTD Jinzhou Million Foster Quartz New Material Co., LTD Heraeus Quarzglas RAESCH Shanghai Handsome Instrument Co., LTD Donghai County Sharp Rose Quartz Products Co., LTD Yixing Innovative Optical Glass Co., LTD