Table of Contents Executive Summary 1 Industry Overview of Acoustic Plasterboard 1.1 Definition of Acoustic Plasterboard 1.2 Acoustic Plasterboard Segment by Type 1.2.1 Global Acoustic Plasterboard Production Growth Rate Comparison by Types (2014-2025) 1.2.2 10mm Plasterboard 1.2.3 13mm Plasterboard 1.2.4 Other 1.3 Acoustic Plasterboard Segment by Applications 1.3.1 Global Acoustic Plasterboard Consumption Comparison by Applications (2014-2025) 1.3.2 Standard Residential Construction 1.3.3 High Performance Residential 1.3.4 Commercial Applications 1.3.5 Other 1.4 Global Acoustic Plasterboard Overall Market 1.4.1 Global Acoustic Plasterboard Revenue (2014-2025) 1.4.2 Global Acoustic Plasterboard Production (2014-2025) 1.4.3 North America Acoustic Plasterboard Status and Prospect (2014-2025) 1.4.4 Europe Acoustic Plasterboard Status and Prospect (2014-2025) 1.4.5 China Acoustic Plasterboard Status and Prospect (2014-2025) 1.4.6 Japan Acoustic Plasterboard Status and Prospect (2014-2025) 1.4.7 Southeast Asia Acoustic Plasterboard Status and Prospect (2014-2025) 1.4.8 India Acoustic Plasterboard Status and Prospect (2014-2025) 2 Manufacturing Cost Structure Analysis 2.1 Raw Material and Suppliers 2.2 Manufacturing Cost Structure Analysis of Acoustic Plasterboard 2.3 Manufacturing Process Analysis of Acoustic Plasterboard 2.4 Industry Chain Structure of Acoustic Plasterboard 3 Development and Manufacturing Plants Analysis of Acoustic Plasterboard 3.1 Capacity and Commercial Production Date 3.2 Global Acoustic Plasterboard Manufacturing Plants Distribution 3.3 Major Manufacturers Technology Source and Market Position of Acoustic Plasterboard 3.4 Recent Development and Expansion Plans 4 Key Figures of Major Manufacturers 4.1 Acoustic Plasterboard Production and Capacity Analysis 4.2 Acoustic Plasterboard Revenue Analysis 4.3 Acoustic Plasterboard Price Analysis 4.4 Market Concentration Degree 5 Acoustic Plasterboard Regional Market Analysis 5.1 Acoustic Plasterboard Production by Regions 5.1.1 Global Acoustic Plasterboard Production by Regions 5.1.2 Global Acoustic Plasterboard Revenue by Regions 5.2 Acoustic Plasterboard Consumption by Regions 5.3 North America Acoustic Plasterboard Market Analysis 5.3.1 North America Acoustic Plasterboard Production 5.3.2 North America Acoustic Plasterboard Revenue 5.3.3 Key Manufacturers in North America 5.3.4 North America Acoustic Plasterboard Import and Export 5.4 Europe Acoustic Plasterboard Market Analysis 5.4.1 Europe Acoustic Plasterboard Production 5.4.2 Europe Acoustic Plasterboard Revenue 5.4.3 Key Manufacturers in Europe 5.4.4 Europe Acoustic Plasterboard Import and Export 5.5 China Acoustic Plasterboard Market Analysis 5.5.1 China Acoustic Plasterboard Production 5.5.2 China Acoustic Plasterboard Revenue 5.5.3 Key Manufacturers in China 5.5.4 China Acoustic Plasterboard Import and Export 5.6 Japan Acoustic Plasterboard Market Analysis 5.6.1 Japan Acoustic Plasterboard Production 5.6.2 Japan Acoustic Plasterboard Revenue 5.6.3 Key Manufacturers in Japan 5.6.4 Japan Acoustic Plasterboard Import and Export 5.7 Southeast Asia Acoustic Plasterboard Market Analysis 5.7.1 Southeast Asia Acoustic Plasterboard Production 5.7.2 Southeast Asia Acoustic Plasterboard Revenue 5.7.3 Key Manufacturers in Southeast Asia 5.7.4 Southeast Asia Acoustic Plasterboard Import and Export 5.8 India Acoustic Plasterboard Market Analysis 5.8.1 India Acoustic Plasterboard Production 5.8.2 India Acoustic Plasterboard Revenue 5.8.3 Key Manufacturers in India 5.8.4 India Acoustic Plasterboard Import and Export 6 Acoustic Plasterboard Segment Market Analysis (by Type) 6.1 Global Acoustic Plasterboard Production by Type 6.2 Global Acoustic Plasterboard Revenue by Type 6.3 Acoustic Plasterboard Price by Type 7 Acoustic Plasterboard Segment Market Analysis (by Application) 7.1 Global Acoustic Plasterboard Consumption by Application 7.2 Global Acoustic Plasterboard Consumption Market Share by Application (2014-2019) 8 Acoustic Plasterboard Major Manufacturers Analysis 8.1 Gyprock 8.1.1 Gyprock Acoustic Plasterboard Production Sites and Area Served 8.1.2 Gyprock Product Introduction, Application and Specification 8.1.3 Gyprock Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.1.4 Main Business and Markets Served 8.2 JCW 8.2.1 JCW Acoustic Plasterboard Production Sites and Area Served 8.2.2 JCW Product Introduction, Application and Specification 8.2.3 JCW Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.2.4 Main Business and Markets Served 8.3 Gyproc Moisture Resistant 8.3.1 Gyproc Moisture Resistant Acoustic Plasterboard Production Sites and Area Served 8.3.2 Gyproc Moisture Resistant Product Introduction, Application and Specification 8.3.3 Gyproc Moisture Resistant Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.3.4 Main Business and Markets Served 8.4 The Sound Solution 8.4.1 The Sound Solution Acoustic Plasterboard Production Sites and Area Served 8.4.2 The Sound Solution Product Introduction, Application and Specification 8.4.3 The Sound Solution Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.4.4 Main Business and Markets Served 8.5 Saint-Gobain Construction 8.5.1 Saint-Gobain Construction Acoustic Plasterboard Production Sites and Area Served 8.5.2 Saint-Gobain Construction Product Introduction, Application and Specification 8.5.3 Saint-Gobain Construction Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.5.4 Main Business and Markets Served 8.6 British Gypsum Limited 8.6.1 British Gypsum Limited Acoustic Plasterboard Production Sites and Area Served 8.6.2 British Gypsum Limited Product Introduction, Application and Specification 8.6.3 British Gypsum Limited Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.6.4 Main Business and Markets Served 8.7 Gustafs Scandinavia AB 8.7.1 Gustafs Scandinavia AB Acoustic Plasterboard Production Sites and Area Served 8.7.2 Gustafs Scandinavia AB Product Introduction, Application and Specification 8.7.3 Gustafs Scandinavia AB Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.7.4 Main Business and Markets Served 8.8 Isolava 8.8.1 Isolava Acoustic Plasterboard Production Sites and Area Served 8.8.2 Isolava Product Introduction, Application and Specification 8.8.3 Isolava Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.8.4 Main Business and Markets Served 8.9 Movinord 8.9.1 Movinord Acoustic Plasterboard Production Sites and Area Served 8.9.2 Movinord Product Introduction, Application and Specification 8.9.3 Movinord Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.9.4 Main Business and Markets Served 8.10 N.D.A. NUOVE DIMENSIONI AMBIENTALI 8.10.1 N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production Sites and Area Served 8.10.2 N.D.A. NUOVE DIMENSIONI AMBIENTALI Product Introduction, Application and Specification 8.10.3 N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production, Revenue, Ex-factory Price and Gross Margin (2014-2019) 8.10.4 Main Business and Markets Served 8.11 BASWA 8.12 Acoustical Surfaces 8.13 Asona 8.14 Ecophon Group 8.15 GTEK 8.16 Gyproc 8.17 Vcut LTD 9 Development Trend of Analysis of Acoustic Plasterboard Market 9.1 Global Acoustic Plasterboard Market Trend Analysis 9.1.1 Global Acoustic Plasterboard Market Size (Volume and Value) Forecast 2019-2025 9.2 Acoustic Plasterboard Regional Market Trend 9.2.1 North America Acoustic Plasterboard Forecast 2019-2025 9.2.2 Europe Acoustic Plasterboard Forecast 2019-2025 9.2.3 China Acoustic Plasterboard Forecast 2019-2025 9.2.4 Japan Acoustic Plasterboard Forecast 2019-2025 9.2.5 Southeast Asia Acoustic Plasterboard Forecast 2019-2025 9.2.6 India Acoustic Plasterboard Forecast 2019-2025 9.3 Acoustic Plasterboard Market Trend (Product Type) 9.4 Acoustic Plasterboard Market Trend (Application) 10.1 Marketing Channel 10.1.1 Direct Marketing 10.1.2 Indirect Marketing 10.3 Acoustic Plasterboard 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 Acoustic Plasterboard Table Global Acoustic Plasterboard Production (K Units) Growth Rate Comparison by Types (2014-2025) Figure Global Acoustic Plasterboard Production Market Share by Types in 2018 Figure 10mm Plasterboard Product Picture Figure 13mm Plasterboard Product Picture Figure Other Product Picture Table Global Acoustic Plasterboard Consumption (K Units) Comparison by Applications (2014-2025) Figure Global Acoustic Plasterboard Consumption Market Share by Applications in 2018 Figure Standard Residential Construction Figure High Performance Residential Figure Commercial Applications Figure Other Figure Global Acoustic Plasterboard Revenue (Million USD) (2014-2025) Figure Global Acoustic Plasterboard Production (K Units) (2014-2025) Figure North America Acoustic Plasterboard Market Size (Million USD) (2014-2025) Figure Europe Acoustic Plasterboard Market Size (Million USD) (2014-2025) Figure China Acoustic Plasterboard Market Size (Million USD) (2014-2025) Figure Japan Acoustic Plasterboard Market Size (Million USD) (2014-2025) Figure Southeast Asia Acoustic Plasterboard Market Size (Million USD) (2014-2025) Figure India Acoustic Plasterboard Market Size (Million USD) (2014-2025) Table Acoustic Plasterboard Raw Material and Suppliers Table Manufacturing Cost Structure Analysis of Acoustic Plasterboard in 2018 Figure Manufacturing Process Analysis of Acoustic Plasterboard Figure Industry Chain Structure of Acoustic Plasterboard Table Capacity and Commercial Production Date of Key Manufacturers Table Global Acoustic Plasterboard Manufacturing Plants Distribution Table Acoustic Plasterboard Major Manufacturers Technology Source and Market Position Table Recent Development and Expansion Plans in Future Table Acoustic Plasterboard Capacity (K Units) of Major Manufacturers (2014-2019) Table Acoustic Plasterboard Production (K Units) of Major Manufacturers (2014-2019) Table Acoustic Plasterboard Production Market Share of Major Manufacturers (2014-2019) Figure Acoustic Plasterboard Production Share by Manufacturers in 2018 Table Acoustic Plasterboard Revenue (Million US$) of Major Manufacturers (2014-2019) Table Acoustic Plasterboard Revenue Market Share of Major Manufacturers (2014-2019) Figure Acoustic Plasterboard Revenue Share by Manufacturers in 2018 Table Acoustic Plasterboard Average Price (USD/Unit) of Major Manufacturers (2014-2019) Table Global Manufacturers Market Concentration Ratio (CR5 and HHI) Table Global Acoustic Plasterboard Production by Regions 2014-2019 (K Units) Table Global Acoustic Plasterboard Production Market Share by Regions 2014-2019 Figure Global Acoustic Plasterboard Production Market Share by Regions in 2018 Table Global Acoustic Plasterboard Revenue by Regions 2014-2019 (Million USD) Table Global Acoustic Plasterboard Revenue Market Share by Regions 2014-2019 Figure Global Acoustic Plasterboard Revenue Market Share by Regions in 2018 Table Global Acoustic Plasterboard Consumption by Regions 2014-2019 (K Units) Table Global Acoustic Plasterboard Consumption Market Share by Regions 2014-2019 Figure North America Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure North America Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table North America Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure Europe Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure Europe Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table Europe Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure China Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure China Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table China Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure Japan Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure Japan Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table Japan Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure Southeast Asia Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure Southeast Asia Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table Southeast Asia Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure India Acoustic Plasterboard Production Growth Rate 2014-2019 (K Units) Figure India Acoustic Plasterboard Revenue Growth Rate 2014-2019 (Million USD) Table India Acoustic Plasterboard Production, Consumption Import and Export (K Units) Figure Global Consumption Acoustic Plasterboard Market Share by Application (2014-2019) Figure Global Value (Consumption) Acoustic Plasterboard Market Share by Application (2014-2019) Table Gyprock Acoustic Plasterboard Production Sites and Area Served Table Gyprock Acoustic Plasterboard Product Introduction, Application and Specification Table Gyprock Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Gyprock Acoustic Plasterboard Production Growth Rate (2014-2019) Table Gyprock Acoustic Plasterboard Production Market Share (2014-2019) Figure Gyprock Acoustic Plasterboard Revenue Market Share (2014-2019) Table Gyprock Acoustic Plasterboard Main Business and Markets Served Table JCW Acoustic Plasterboard Production Sites and Area Served Table JCW Acoustic Plasterboard Product Introduction, Application and Specification Table JCW Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table JCW Acoustic Plasterboard Production Growth Rate (2014-2019) Table JCW Acoustic Plasterboard Production Market Share (2014-2019) Figure JCW Acoustic Plasterboard Revenue Market Share (2014-2019) Table JCW Acoustic Plasterboard Main Business and Markets Served Table Gyproc Moisture Resistant Acoustic Plasterboard Production Sites and Area Served Table Gyproc Moisture Resistant Acoustic Plasterboard Product Introduction, Application and Specification Table Gyproc Moisture Resistant Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Gyproc Moisture Resistant Acoustic Plasterboard Production Growth Rate (2014-2019) Table Gyproc Moisture Resistant Acoustic Plasterboard Production Market Share (2014-2019) Figure Gyproc Moisture Resistant Acoustic Plasterboard Revenue Market Share (2014-2019) Table Gyproc Moisture Resistant Acoustic Plasterboard Main Business and Markets Served Table The Sound Solution Acoustic Plasterboard Production Sites and Area Served Table The Sound Solution Acoustic Plasterboard Product Introduction, Application and Specification Table The Sound Solution Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table The Sound Solution Acoustic Plasterboard Production Growth Rate (2014-2019) Table The Sound Solution Acoustic Plasterboard Production Market Share (2014-2019) Figure The Sound Solution Acoustic Plasterboard Revenue Market Share (2014-2019) Table The Sound Solution Acoustic Plasterboard Main Business and Markets Served Table Saint-Gobain Construction Acoustic Plasterboard Production Sites and Area Served Table Saint-Gobain Construction Acoustic Plasterboard Product Introduction, Application and Specification Table Saint-Gobain Construction Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Saint-Gobain Construction Acoustic Plasterboard Production Growth Rate (2014-2019) Table Saint-Gobain Construction Acoustic Plasterboard Production Market Share (2014-2019) Figure Saint-Gobain Construction Acoustic Plasterboard Revenue Market Share (2014-2019) Table Saint-Gobain Construction Acoustic Plasterboard Main Business and Markets Served Table British Gypsum Limited Acoustic Plasterboard Production Sites and Area Served Table British Gypsum Limited Acoustic Plasterboard Product Introduction, Application and Specification Table British Gypsum Limited Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table British Gypsum Limited Acoustic Plasterboard Production Growth Rate (2014-2019) Table British Gypsum Limited Acoustic Plasterboard Production Market Share (2014-2019) Figure British Gypsum Limited Acoustic Plasterboard Revenue Market Share (2014-2019) Table British Gypsum Limited Acoustic Plasterboard Main Business and Markets Served Table Gustafs Scandinavia AB Acoustic Plasterboard Production Sites and Area Served Table Gustafs Scandinavia AB Acoustic Plasterboard Product Introduction, Application and Specification Table Gustafs Scandinavia AB Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Gustafs Scandinavia AB Acoustic Plasterboard Production Growth Rate (2014-2019) Table Gustafs Scandinavia AB Acoustic Plasterboard Production Market Share (2014-2019) Figure Gustafs Scandinavia AB Acoustic Plasterboard Revenue Market Share (2014-2019) Table Gustafs Scandinavia AB Acoustic Plasterboard Main Business and Markets Served Table Isolava Acoustic Plasterboard Production Sites and Area Served Table Isolava Acoustic Plasterboard Product Introduction, Application and Specification Table Isolava Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Isolava Acoustic Plasterboard Production Growth Rate (2014-2019) Table Isolava Acoustic Plasterboard Production Market Share (2014-2019) Figure Isolava Acoustic Plasterboard Revenue Market Share (2014-2019) Table Isolava Acoustic Plasterboard Main Business and Markets Served Table Movinord Acoustic Plasterboard Production Sites and Area Served Table Movinord Acoustic Plasterboard Product Introduction, Application and Specification Table Movinord Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table Movinord Acoustic Plasterboard Production Growth Rate (2014-2019) Table Movinord Acoustic Plasterboard Production Market Share (2014-2019) Figure Movinord Acoustic Plasterboard Revenue Market Share (2014-2019) Table Movinord Acoustic Plasterboard Main Business and Markets Served Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production Sites and Area Served Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Product Introduction, Application and Specification Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production (K Units), Revenue (Million USD), Ex-factory Price (USD/Unit) and Gross Margin (2014-2019) Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production Growth Rate (2014-2019) Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Production Market Share (2014-2019) Figure N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Revenue Market Share (2014-2019) Table N.D.A. NUOVE DIMENSIONI AMBIENTALI Acoustic Plasterboard Main Business and Markets Served Table BASWA Acoustic Plasterboard Production Sites and Area Served Table Acoustical Surfaces Acoustic Plasterboard Production Sites and Area Served Table Asona Acoustic Plasterboard Production Sites and Area Served Table Ecophon Group Acoustic Plasterboard Production Sites and Area Served Table GTEK Acoustic Plasterboard Production Sites and Area Served Table Gyproc Acoustic Plasterboard Production Sites and Area Served Table Vcut LTD Acoustic Plasterboard Production Sites and Area Served Figure Global Acoustic Plasterboard Production (K Units) Growth Rate Forecast 2019-2025 Figure Global Acoustic Plasterboard Revenue (Million USD) Growth Rate Forecast 2019-2025 Figure Global Acoustic Plasterboard Sales Price (USD/Unit) Forecast 2019-2025 Figure North America Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure North America Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Europe Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure Europe Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure China Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure China Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Japan Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure Japan Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure Southeast Asia Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure Southeast Asia Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Figure India Acoustic Plasterboard Production Growth Rate Forecast 2019-2025 (K Units) Figure India Acoustic Plasterboard Revenue Growth Rate Forecast 2019-2025 (Million USD) Table Global Production (K Units) of Acoustic Plasterboard by Type (2019-2025) Table Global Consumption (K Units) of Acoustic Plasterboard by Application (2019-2025) Table Acoustic Plasterboard Distributors List Table Acoustic Plasterboard 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

Gyprock JCW Gyproc Moisture Resistant The Sound Solution Saint-Gobain Construction British Gypsum Limited Gustafs Scandinavia AB Isolava Movinord N.D.A. NUOVE DIMENSIONI AMBIENTALI BASWA Acoustical Surfaces Asona Ecophon Group GTEK Gyproc Vcut LTD