Table of Contents Global Super Abrasive Market Research Report 2020, Forecast to 2025 1 Market Overview 1.1 Super Abrasive Definition 1.1.1 Analysis of Macroeconomic Indicators 1.1.2 Years Considered 1.2 Super Abrasive Segment by Type 1.2.1 Diamond 1.2.2 Cubic Boron Nitride (CBN) 1.2.3 Other 1.3 Market Analysis by Application 1.3.1 Aerospace 1.3.2 Automotive 1.3.3 Medical 1.3.4 Other 1.4 Overview of Global Super Abrasive Market 1.4.1 Global Super Abrasive Revenue (2015-2025) 1.4.2 Global Super Abrasive Production and Capacity (2015-2025) 1.4.3 North America Super Abrasive Status and Prospect (2015-2025) 1.4.4 Europe Super Abrasive Status and Prospect (2015-2025) 1.4.5 Japan Super Abrasive Status and Prospect (2014-2025) 1.4.6 China Super Abrasive Status and Prospect (2015-2025) 1.5 Market Dynamics 1.5.1 Market Opportunities 1.5.2 Market Risk 1.5.3 Market Driving Force 1.5.4 Porter's Five Forces Analysis 1.5.5 SWOT Analysis 1.6 Coronavirus Disease 2019 (Covid-19): Super Abrasive Industry Impact 1.6.1 How the Covid-19 is Affecting the Super Abrasive Industry 1.6.2 Super Abrasive Business Impact Assessment - Covid-19 1.6.3 Market Trends and Super Abrasive Potential Opportunities in the COVID-19 Landscape 1.6.4 Measures / Proposal against Covid-19 2 Global Super Abrasive Market Competition by Manufacturer 2.1 Global Super Abrasive Sales and Market Share by Manufacturer (2018-2020) 2.2 Global Super Abrasive Revenue and Market Share by Manufacturer (2018-2020) 2.3 Global Super Abrasive Industry Concentration Ratio (CR5 and HHI) 2.4 Top 5 Super Abrasive Manufacturer Market Share 2.5 Top 10 Super Abrasive Manufacturer Market Share 2.6 Date of Key Manufacturers Enter into Super Abrasive Market 2.7 Key Manufacturers Super Abrasive Product Offered 2.8 Mergers & Acquisitions Planning 3 Analysis of Super Abrasive Industry Key Manufacturers 3.1 3M 3.1.1 Company Details 3.1.2 Product Information 3.1.3 3M Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.1.4 Main Business Overview 3.1.5 3M News 3.2 Saint Gobain 3.2.1 Company Details 3.2.2 Product Information 3.2.3 Saint Gobain Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.2.4 Main Business Overview 3.2.5 Saint Gobain News 3.3 Asahi 3.3.1 Company Details 3.3.2 Product Information 3.3.3 Asahi Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.3.4 Main Business Overview 3.3.5 Asahi News 3.4 Elephant Abrasives 3.4.1 Company Details 3.4.2 Product Information 3.4.3 Elephant Abrasives Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.4.4 Main Business Overview 3.4.5 Elephant Abrasives News 3.5 Eagles Superabrasives 3.5.1 Company Details 3.5.2 Product Information 3.5.3 Eagles Superabrasives Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.5.4 Main Business Overview 3.5.5 Eagles Superabrasives News 3.6 Saily 3.6.1 Company Details 3.6.2 Product Information 3.6.3 Saily Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.6.4 Main Business Overview 3.6.5 Saily News 3.7 Sia Abrasives 3.7.1 Company Details 3.7.2 Product Information 3.7.3 Sia Abrasives Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.7.4 Main Business Overview 3.7.5 Sia Abrasives News 3.8 Hongtuo Superhard 3.8.1 Company Details 3.8.2 Product Information 3.8.3 Hongtuo Superhard Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.8.4 Main Business Overview 3.8.5 Hongtuo Superhard News 3.9 Kure 3.9.1 Company Details 3.9.2 Product Information 3.9.3 Kure Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.9.4 Main Business Overview 3.9.5 Kure News 3.10 Luxin 3.10.1 Company Details 3.10.2 Product Information 3.10.3 Luxin Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.10.4 Main Business Overview 3.10.5 Luxin News 3.11 Mirka 3.11.1 Company Details 3.11.2 Product Information 3.11.3 Mirka Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.11.4 Main Business Overview 3.11.5 Mirka News 3.12 Noritake 3.12.1 Company Details 3.12.2 Product Information 3.12.3 Noritake Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.12.4 Main Business Overview 3.12.5 Noritake News 3.13 Action Superabrasive 3.13.1 Company Details 3.13.2 Product Information 3.13.3 Action Superabrasive Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.13.4 Main Business Overview 3.13.5 Action Superabrasive News 3.14 Shanghai Z&Y 3.14.1 Company Details 3.14.2 Product Information 3.14.3 Shanghai Z&Y Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.14.4 Main Business Overview 3.14.5 Shanghai Z&Y News 3.15 Slip Naxos 3.15.1 Company Details 3.15.2 Product Information 3.15.3 Slip Naxos Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.15.4 Main Business Overview 3.15.5 Slip Naxos News 3.16 Krebs & Riedel 3.16.1 Company Details 3.16.2 Product Information 3.16.3 Krebs & Riedel Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.16.4 Main Business Overview 3.16.5 Krebs & Riedel News 3.17 Heger Gmbh Excellent Diamond Tools 3.17.1 Company Details 3.17.2 Product Information 3.17.3 Heger Gmbh Excellent Diamond Tools Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.17.4 Main Business Overview 3.17.5 Heger Gmbh Excellent Diamond Tools News 3.18 Dr.Kaiser 3.18.1 Company Details 3.18.2 Product Information 3.18.3 Dr.Kaiser Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.18.4 Main Business Overview 3.18.5 Dr.Kaiser News 3.19 Effgen 3.19.1 Company Details 3.19.2 Product Information 3.19.3 Effgen Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.19.4 Main Business Overview 3.19.5 Effgen News 3.20 Ehwa 3.20.1 Company Details 3.20.2 Product Information 3.20.3 Ehwa Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.20.4 Main Business Overview 3.20.5 Ehwa News 3.21 Husqvarna Construction Prod 3.21.1 Company Details 3.21.2 Product Information 3.21.3 Husqvarna Construction Prod Super Abrasive Production, Price, Cost, Gross Margin, and Revenue (2018-2020) 3.21.4 Main Business Overview 3.21.5 Husqvarna Construction Prod News 4 Global Super Abrasive Market Size Categorized by Regions (2015-2020) 4.1 Global Super Abrasive Sales Market Share by Region 4.2 Global Super Abrasive Revenue Market Share by Region (2015-2019) 4.3 Global Super Abrasive Sales, Revenue, Price and Gross Margin (2015-2020) 4.4 North America Super Abrasive Market Size Detail 4.4.1 North America Super Abrasive Sales Growth Rate (2015-2020) 4.4.2 North America Super Abrasive Sales, Revenue, Price and Gross Margin (2015-2020) 4.5 Europe Super Abrasive Market Size Detail 4.5.1 Europe Super Abrasive Sales Growth Rate (2015-2020) 4.5.2 Europe Super Abrasive Sales, Revenue, Price and Gross Margin (2015-2020) 4.6 Japan Super Abrasive Market Size Detail 4.6.1 Japan Super Abrasive Sales Growth Rate (2015-2020) 4.6.2 Japan Super Abrasive Sales, Revenue, Price and Gross Margin (2015-2020) 4.7 China Super Abrasive Market Size Detail 4.7.1 China Super Abrasive Sales Growth Rate (2015-2020) 4.7.2 China Super Abrasive Sales, Revenue, Price and Gross Margin (2015-2020) 5 Global Super Abrasive Market Segment by Type 5.1 Global Super Abrasive Revenue, Sales and Market Share by Type (2015-2020) 5.1.1 Global Super Abrasive Sales and Market Share by Type (2015-2020) 5.1.2 Global Super Abrasive Revenue and Market Share by Type (2015-2020) 5.2 Diamond Sales Growth Rate and Price 5.2.1 Global Diamond Sales Growth Rate (2015-2020) 5.2.2 Global Diamond Price (2015-2020) 5.3 Cubic Boron Nitride (CBN) Sales Growth Rate and Price 5.3.1 Global Cubic Boron Nitride (CBN) Sales Growth Rate (2015-2020) 5.3.2 Global Cubic Boron Nitride (CBN) Price (2015-2020) 5.4 Other Sales Growth Rate and Price 5.4.1 Global Other Sales Growth Rate (2015-2020) 5.4.2 Global Other Price (2015-2020) 6 Global Super Abrasive Market Segment by Application 6.1 Global Super Abrasive Sales Market Share by Application (2015-2020) 6.2 Aerospace Sales Growth Rate (2015-2020) 6.3 Automotive Sales Growth Rate (2015-2020) 6.4 Medical Sales Growth Rate (2015-2020) 6.5 Other Sales Growth Rate (2015-2020) 7 Super Abrasive Related Market Analysis 7.1 Upstream Analysis 7.1.1 Macro Analysis of Upstream Markets 7.1.2 Key Players in Upstream Markets 7.1.3 Upstream Market Trend Analysis 7.1.4 Super Abrasive Manufacturing Cost Analysis 7.2 Downstream Market Analysis 7.2.1 Macro Analysis of Down Markets 7.2.2 Key Players in Down Markets 7.2.3 Downstream Market Trend Analysis 7.2.4 Sales Channel, Distributors, Traders and Dealers 8 Global Super Abrasive Market Forecast 8.1 Global Super Abrasive Sales, Revenue Forecast 8.1.1 Global Super Abrasive Sales Growth Rate Forecast (2020-2025) 8.1.2 Global Super Abrasive Revenue and Growth Rate Forecast (2020-2025) 8.1.3 Global Super Abrasive Price and Trend Forecast (2020-2025) 8.2 Global Super Abrasive Sales Forecast by Region (2020-2025) 8.2.1 North America Super Abrasive Sales, Revenue Forecast (2020-2025) 8.2.2 Europe Super Abrasive Sales, Revenue Forecast (2020-2025) 8.2.3 Japan Super Abrasive Production, Revenue Forecast (2020-2025) 8.2.4 China Super Abrasive Production, Revenue Forecast (2020-2025) 9 Research Findings and Conclusion 10 Appendix

List of Tables and Figures Figure Super Abrasive Picture Table Global Super Abrasive Sales by Type Figure Global Sales Market Share of Super Abrasive by Product Type in 2019 Table Breakdown of Super Abrasive by Company Type (Tier 1, Tier 2 and Tier 3) Figure Super Abrasive Market Share by Company Type (Tier 1, Tier 2 and Tier 3) Figure Diamond Picture Figure Cubic Boron Nitride (CBN) Picture Figure Other Picture Table Global Super Abrasive Sales by Application Figure Global Super Abrasive Sales Market Share by Application in 2019 Figure Aerospace Picture Figure Automotive Picture Figure Medical Picture Figure Other Picture Table Super Abrasive Market Size Comparison by Region (2019-2025) (K Units) & (Million US$) Figure Global Super Abrasive Revenue (Million US$) (2015-2025) Figure Global Super Abrasive Production (K Units) (2015-2025) Figure North America Super Abrasive Revenue (Million US$) Growth Rate (2015-2025) Figure Europe Super Abrasive Revenue (Million US$) Growth Rate (2015-2025) Figure Japan Super Abrasive Revenue (Million US$) Growth Rate (2014-2025) Figure China Super Abrasive Revenue (Million US$) Growth Rate (2015-2025) Table Market Opportunities in Next Few Years Table Market Risks Analysis Table Market Drivers Figure Porter's Five Forces Analysis Table SWOT Analysis Table Global Super Abrasive Sales by Manufacturer (2018-2020) Figure Global Super Abrasive Sales Market Share by Manufacturer in 2019 Table Global Super Abrasive Revenue by Manufacturer (2018-2020) Figure Global Super Abrasive Revenue Market Share by Manufacturer in 2019 Table Global Super Abrasive Manufacturers Market Concentration Ratio (CR5 and HHI) Figure Top 5 Super Abrasive Manufacturer (Revenue) Market Share in 2019 Figure Top 10 Super Abrasive Manufacturer (Revenue) Market Share in 2019 Table Date of Key Manufacturers Enter into Super Abrasive Market Table Key Manufacturers Super Abrasive Product Type Table Mergers & Acquisitions Planning Table 3M Company Profile Figure Super Abrasive Product Picture and Specifications of 3M Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure 3M Super Abrasive Market Share (2018-2020) Table 3M Main Business Table 3M Recent Development Table Saint Gobain Company Profile Figure Super Abrasive Product Picture and Specifications of Saint Gobain Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Saint Gobain Super Abrasive Market Share (2018-2020) Table Saint Gobain Main Business Table Saint Gobain Recent Development Table Asahi Company Profile Figure Super Abrasive Product Picture and Specifications of Asahi Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Asahi Super Abrasive Market Share (2018-2020) Table Asahi Main Business Table Asahi Recent Development Table Elephant Abrasives Company Profile Figure Super Abrasive Product Picture and Specifications of Elephant Abrasives Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Elephant Abrasives Super Abrasive Market Share (2018-2020) Table Elephant Abrasives Main Business Table Elephant Abrasives Recent Development Table Eagles Superabrasives Company Profile Figure Super Abrasive Product Picture and Specifications of Eagles Superabrasives Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Eagles Superabrasives Super Abrasive Market Share (2018-2020) Table Eagles Superabrasives Main Business Table Eagles Superabrasives Recent Development Table Saily Company Profile Figure Super Abrasive Product Picture and Specifications of Saily Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Saily Super Abrasive Market Share (2018-2020) Table Saily Main Business Table Saily Recent Development Table Sia Abrasives Company Profile Figure Super Abrasive Product Picture and Specifications of Sia Abrasives Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Sia Abrasives Super Abrasive Market Share (2018-2020) Table Sia Abrasives Main Business Table Sia Abrasives Recent Development Table Hongtuo Superhard Company Profile Figure Super Abrasive Product Picture and Specifications of Hongtuo Superhard Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Hongtuo Superhard Super Abrasive Market Share (2018-2020) Table Hongtuo Superhard Main Business Table Hongtuo Superhard Recent Development Table Kure Company Profile Figure Super Abrasive Product Picture and Specifications of Kure Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Kure Super Abrasive Market Share (2018-2020) Table Kure Main Business Table Kure Recent Development Table Luxin Company Profile Figure Super Abrasive Product Picture and Specifications of Luxin Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Luxin Super Abrasive Market Share (2018-2020) Table Luxin Main Business Table Luxin Recent Development Table Mirka Company Profile Figure Super Abrasive Product Picture and Specifications of Mirka Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Mirka Super Abrasive Market Share (2018-2020) Table Mirka Main Business Table Mirka Recent Development Table Noritake Company Profile Figure Super Abrasive Product Picture and Specifications of Noritake Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Noritake Super Abrasive Market Share (2018-2020) Table Noritake Main Business Table Noritake Recent Development Table Action Superabrasive Company Profile Figure Super Abrasive Product Picture and Specifications of Action Superabrasive Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Action Superabrasive Super Abrasive Market Share (2018-2020) Table Action Superabrasive Main Business Table Action Superabrasive Recent Development Table Shanghai Z&Y Company Profile Figure Super Abrasive Product Picture and Specifications of Shanghai Z&Y Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Shanghai Z&Y Super Abrasive Market Share (2018-2020) Table Shanghai Z&Y Main Business Table Shanghai Z&Y Recent Development Table Slip Naxos Company Profile Figure Super Abrasive Product Picture and Specifications of Slip Naxos Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Slip Naxos Super Abrasive Market Share (2018-2020) Table Slip Naxos Main Business Table Slip Naxos Recent Development Table Krebs & Riedel Company Profile Figure Super Abrasive Product Picture and Specifications of Krebs & Riedel Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Krebs & Riedel Super Abrasive Market Share (2018-2020) Table Krebs & Riedel Main Business Table Krebs & Riedel Recent Development Table Heger Gmbh Excellent Diamond Tools Company Profile Figure Super Abrasive Product Picture and Specifications of Heger Gmbh Excellent Diamond Tools Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Heger Gmbh Excellent Diamond Tools Super Abrasive Market Share (2018-2020) Table Heger Gmbh Excellent Diamond Tools Main Business Table Heger Gmbh Excellent Diamond Tools Recent Development Table Dr.Kaiser Company Profile Figure Super Abrasive Product Picture and Specifications of Dr.Kaiser Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Dr.Kaiser Super Abrasive Market Share (2018-2020) Table Dr.Kaiser Main Business Table Dr.Kaiser Recent Development Table Effgen Company Profile Figure Super Abrasive Product Picture and Specifications of Effgen Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Effgen Super Abrasive Market Share (2018-2020) Table Effgen Main Business Table Effgen Recent Development Table Ehwa Company Profile Figure Super Abrasive Product Picture and Specifications of Ehwa Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Ehwa Super Abrasive Market Share (2018-2020) Table Ehwa Main Business Table Ehwa Recent Development Table Husqvarna Construction Prod Company Profile Figure Super Abrasive Product Picture and Specifications of Husqvarna Construction Prod Table Super Abrasive Production, Price, Revenue and Gross Margin of 2018-2020 Figure Husqvarna Construction Prod Super Abrasive Market Share (2018-2020) Table Husqvarna Construction Prod Main Business Table Husqvarna Construction Prod Recent Development Table Global Super Abrasive Sales (K Units) by Region (2015-2020) Table Global Super Abrasive Sales Market Share by Region (2015-2019) Figure Global Super Abrasive Sales Market Share by Region (2015-2019) Figure Global Super Abrasive Sales Market Share by Region in 2018 Table Global Super Abrasive Revenue (Million US$) by Region (2015-2020) Table Global Super Abrasive Revenue Market Share by Region (2015-2020) Figure Global Super Abrasive Revenue Market Share by Region (2015-2020) Figure Global Super Abrasive Revenue Market Share by Region in 2019 Table Global Super Abrasive Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure North America Super Abrasive Sales (K Units) Growth Rate (2015-2020) Figure Europe Super Abrasive Sales (K Units) Growth Rate (2015-2020) Table Europe Super Abrasive Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure Japan Super Abrasive Sales (K Units) Growth Rate (2015-2020) Table Japan Super Abrasive Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Figure China Super Abrasive Sales (K Units) Growth Rate (2015-2020) Table China Super Abrasive Sales (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2015-2020) Table Global Super Abrasive Sales by Type (2015-2020) Table Global Super Abrasive Sales Market Share by Type (2015-2020) Figure Global Super Abrasive Sales Market Share by Type in 2019 Table Global Super Abrasive Revenue by Type (2015-2020) Table Global Super Abrasive Revenue Market Share by Type (2015-2020) Figure Global Super Abrasive Revenue Market Share by Type in 2019 Figure Global Diamond Sales Growth Rate (2015-2025) Figure Global Diamond Price (2015-2020) Figure Global Cubic Boron Nitride (CBN) Sales Growth Rate (2015-2025) Figure Global Cubic Boron Nitride (CBN) Price (2015-2020) Figure Global Other Sales Growth Rate (2015-2025) Figure Global Other Price (2015-2020) Table Global Super Abrasive Sales Market Share by Application (2015-2020) Figure Global Super Abrasive Sales Market Share by Application in 2019 Figure Global Aerospace Sales Growth Rate (2015-2025) Figure Global Automotive Sales Growth Rate (2015-2025) Figure Global Medical Sales Growth Rate (2015-2025) Figure Global Other Sales Growth Rate (2015-2025) Table Key Players of Upstream Markets Table Key Raw Materials Figure Price Trend of Key Raw Materials Table Key Suppliers of Raw Materials Figure Manufacturing Cost Structure of Super Abrasive Table Key Players of Downstream Markets Figure Sales Channel Figure Global Super Abrasive Production (K Units) Growth Rate Forecast (2020-2025) Figure Global Super Abrasive Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Global Super Abrasive Price and Trend Forecast (2020-2025) Table Global Super Abrasive Sales (K Units) Forecast by Region (2020-2025) Figure Global Super Abrasive Production Market Share Forecast by Region (2020-2025) Figure North America Super Abrasive Sales (K Units) Growth Rate Forecast (2020-2025) Figure North America Super Abrasive Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Europe Super Abrasive Sales (K Units) Growth Rate Forecast (2020-2025) Figure Europe Super Abrasive Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Japan Super Abrasive Production (K Units) Growth Rate Forecast (2020-2025) Figure Japan Super Abrasive Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure China Super Abrasive Production (K Units) Growth Rate Forecast (2020-2025) Figure China Super Abrasive Revenue (Million US$) Growth Rate Forecast (2020-2025) Figure Methodology/Research Approach Figure Market Size Estimation Figure Author List

3M Saint Gobain Asahi Elephant Abrasives Eagles Superabrasives Saily Sia Abrasives Hongtuo Superhard Kure Luxin Mirka Noritake Action Superabrasive Shanghai Z&Y Slip Naxos Krebs & Riedel Heger Gmbh Excellent Diamond Tools Dr.Kaiser Effgen