COVID-19 Global & USA Light Soda Ash Market Research by Company, Type & Application 2015-2026
SUMMARY
HeyReport estimates that the Light Soda Ash market size will grow from xxx Million USD in 2020 to xxxx Million USD by 2025, and with a CAGR of xx%. The base year considered for this report is 2019, and the market forecast is projected from 2021 to 2025.
In this report, HeyReport discusses the Global & USA industrial policies, economic environment, and the impact of covid-19 on the Light Soda Ashindustry and its cost structure. Besides, this report covers the basic market dynamics, market size and companies competition data. In addition, the report also conducts basic market research on major product type, market end-use and regional trade.
Market Segment as follows:
Product Type Segmentation Includes
Section 1:
Product definition, type and application, Global & USA market overview;
Section 2:
Global & USA Market competition by company;
Section 3:
Global & USA sales revenue, volume and price by type;
Section 4:
Global & USA sales revenue, volume and price by application;
Section 5:
USA export and import;
Section 6:
Company information, business overview, sales data and product specifications;
Section 7:
Industry chain and raw materials;
Section 8:
Industrial policies & economic environment
Section 9:
Conclusion.
For any other requirements, please feel free to contact HeyReport for customized contents.
HeyReport estimates that the Light Soda Ash market size will grow from xxx Million USD in 2020 to xxxx Million USD by 2025, and with a CAGR of xx%. The base year considered for this report is 2019, and the market forecast is projected from 2021 to 2025.
In this report, HeyReport discusses the Global & USA industrial policies, economic environment, and the impact of covid-19 on the Light Soda Ashindustry and its cost structure. Besides, this report covers the basic market dynamics, market size and companies competition data. In addition, the report also conducts basic market research on major product type, market end-use and regional trade.
Market Segment as follows:
Product Type Segmentation Includes
- Natural
- Synthetic
- Glass
- Chemicals
- Soaps & Detergents
- Others
- BOTASH SA
- Solvay
- Tata Chemicals
- FMC
- OCI
- Nirma
- Ciech
- GHCL
- Haihua Group
- Sanyou Chemical
- Hubei Shuanghuan
- Jilantai Salt Chemical
- Qingdao Soda Ash
- Lianyungang Soda Ash
- Hebang
- Huachang Chemical
- Yuanxing Energy
Section 1:
Product definition, type and application, Global & USA market overview;
Section 2:
Global & USA Market competition by company;
Section 3:
Global & USA sales revenue, volume and price by type;
Section 4:
Global & USA sales revenue, volume and price by application;
Section 5:
USA export and import;
Section 6:
Company information, business overview, sales data and product specifications;
Section 7:
Industry chain and raw materials;
Section 8:
Industrial policies & economic environment
Section 9:
Conclusion.
For any other requirements, please feel free to contact HeyReport for customized contents.
1 MARKET OVERVIEW
1.1 Market Segment Overview
1.1.1 Product Definition
1.1.2 Market by Type
1.1.2.1 Natural
1.1.2.2 Synthetic
1.1.3 Market by Application
1.1.3.1 Glass
1.1.3.2 Chemicals
1.1.3.3 Soaps & Detergents
1.1.3.4 Others
1.2 Global & USA Market Size & Forecast
1.2.1 Global Market (2015-2020 & 2021-2026)
1.2.2 USA Market (2015-2020 & 2021-2026)
2 GLOBAL & USA MARKET BY COMPANY
2.1 Global Sales by Company
2.2 USA Sales by Company
3 GLOBAL & USA MARKET BY TYPE
3.1 Global Sales by Product Type
3.2 USA Sales by Product Type
4 GLOBAL & USA MARKET BY APPLICATION
4.1 Global Sales by Application
4.2 USA Sales by Application
5 USA TRADE
5.1 Export Overview
5.2 Import Overview
6 KEY COMPANIES LIST
6.1 BOTASH SA
6.1.1 Company Information
6.1.2 Product Specifications
6.1.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.2 Solvay
6.2.1 Company Information
6.2.2 Product Specifications
6.2.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.3 Tata Chemicals
6.3.1 Company Information
6.3.2 Product Specifications
6.3.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.4 FMC
6.4.1 Company Information
6.4.2 Product Specifications
6.4.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.5 OCI
6.5.1 Company Information
6.5.2 Product Specifications
6.5.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.6 Nirma
6.6.1 Company Information
6.6.2 Product Specifications
6.6.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.7 Ciech
6.7.1 Company Information
6.7.2 Product Specifications
6.7.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.8 GHCL
6.8.1 Company Information
6.8.2 Product Specifications
6.8.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.9 Haihua Group
6.9.1 Company Information
6.9.2 Product Specifications
6.9.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.10 Sanyou Chemical
6.10.1 Company Information
6.10.2 Product Specifications
6.10.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.11 Hubei Shuanghuan
6.11.1 Company Information
6.11.2 Product Specifications
6.11.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.12 Jilantai Salt Chemical
6.12.1 Company Information
6.12.2 Product Specifications
6.12.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.13 Qingdao Soda Ash
6.13.1 Company Information
6.13.2 Product Specifications
6.13.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.14 Lianyungang Soda Ash
6.14.1 Company Information
6.14.2 Product Specifications
6.14.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.15 Hebang
6.15.1 Company Information
6.15.2 Product Specifications
6.15.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.16 Huachang Chemical
6.16.1 Company Information
6.16.2 Product Specifications
6.16.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.17 Yuanxing Energy
6.17.1 Company Information
6.17.2 Product Specifications
6.17.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
7 INDUSTRY UPSTREAM
7.1 Industry Chain
7.2 Upstream Overview
8 POLICIES & MARKET ENVIRONMENT
8.1 Policies
8.1.1 Major Regions Policies
8.1.2 Policies in USA
8.2 Market Environment
8.2.1 Porter's Five Forces
8.2.2 Impact of COVID-19
9 RESEARCH CONCLUSION
1.1 Market Segment Overview
1.1.1 Product Definition
1.1.2 Market by Type
1.1.2.1 Natural
1.1.2.2 Synthetic
1.1.3 Market by Application
1.1.3.1 Glass
1.1.3.2 Chemicals
1.1.3.3 Soaps & Detergents
1.1.3.4 Others
1.2 Global & USA Market Size & Forecast
1.2.1 Global Market (2015-2020 & 2021-2026)
1.2.2 USA Market (2015-2020 & 2021-2026)
2 GLOBAL & USA MARKET BY COMPANY
2.1 Global Sales by Company
2.2 USA Sales by Company
3 GLOBAL & USA MARKET BY TYPE
3.1 Global Sales by Product Type
3.2 USA Sales by Product Type
4 GLOBAL & USA MARKET BY APPLICATION
4.1 Global Sales by Application
4.2 USA Sales by Application
5 USA TRADE
5.1 Export Overview
5.2 Import Overview
6 KEY COMPANIES LIST
6.1 BOTASH SA
6.1.1 Company Information
6.1.2 Product Specifications
6.1.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.2 Solvay
6.2.1 Company Information
6.2.2 Product Specifications
6.2.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.3 Tata Chemicals
6.3.1 Company Information
6.3.2 Product Specifications
6.3.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.4 FMC
6.4.1 Company Information
6.4.2 Product Specifications
6.4.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.5 OCI
6.5.1 Company Information
6.5.2 Product Specifications
6.5.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.6 Nirma
6.6.1 Company Information
6.6.2 Product Specifications
6.6.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.7 Ciech
6.7.1 Company Information
6.7.2 Product Specifications
6.7.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.8 GHCL
6.8.1 Company Information
6.8.2 Product Specifications
6.8.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.9 Haihua Group
6.9.1 Company Information
6.9.2 Product Specifications
6.9.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.10 Sanyou Chemical
6.10.1 Company Information
6.10.2 Product Specifications
6.10.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.11 Hubei Shuanghuan
6.11.1 Company Information
6.11.2 Product Specifications
6.11.3 Business Data (2015-2020) (Capacity, Sales Revenue, Volume, Price, Cost and Margin)
6.12 Jilantai Salt Chemical
6.12.1 Company Information
6.12.2 Product Specifications
6.12.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.13 Qingdao Soda Ash
6.13.1 Company Information
6.13.2 Product Specifications
6.13.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.14 Lianyungang Soda Ash
6.14.1 Company Information
6.14.2 Product Specifications
6.14.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.15 Hebang
6.15.1 Company Information
6.15.2 Product Specifications
6.15.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.16 Huachang Chemical
6.16.1 Company Information
6.16.2 Product Specifications
6.16.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
6.17 Yuanxing Energy
6.17.1 Company Information
6.17.2 Product Specifications
6.17.3 Business Data (2015-2020) ( Sales Revenue, Cost and Margin)
7 INDUSTRY UPSTREAM
7.1 Industry Chain
7.2 Upstream Overview
8 POLICIES & MARKET ENVIRONMENT
8.1 Policies
8.1.1 Major Regions Policies
8.1.2 Policies in USA
8.2 Market Environment
8.2.1 Porter's Five Forces
8.2.2 Impact of COVID-19
9 RESEARCH CONCLUSION
LIST OF TABLES
Table Global Market Sales Revenue by Company 2015-2020
Table Global Market Sales Revenue Share by Company 2015-2020
Table Global Market Sales Volume by Company 2015-2020
Table Global Market Sales Volume Share by Company 2015-2020
Table Global Price by Company 2015-2020
Table USA Market Sales Revenue by Company 2015-2020
Table USA Market Sales Revenue Share by Company 2015-2020
Table USA Market Sales Volume by Company 2015-2020
Table USA Market Sales Volume Share by Company 2015-2020
Table USA Price by Company 2015-2020
Table Global Market Sales Revenue by Type 2015-2020
Table Global Market Sales Revenue Share by Type 2015-2020
Table Global Market Sales Volume by Type 2015-2020
Table Global Market Sales Volume Share by Type 2015-2020
Table Global Price by Type 2015-2020
Table USA Market Sales Revenue by Type 2015-2020
Table USA Market Sales Revenue Share by Type 2015-2020
Table USA Market Sales Volume by Type 2015-2020
Table USA Market Sales Volume Share by Type 2015-2020
Table USA Price by Type 2015-2020
Table Global Market Sales Revenue by Application 2015-2020
Table Global Market Sales Revenue Share by Application 2015-2020
Table Global Market Sales Volume by Application 2015-2020
Table Global Market Sales Volume Share by Application 2015-2020
Table Global Price by Application 2015-2020
Table USA Market Sales Revenue by Application 2015-2020
Table USA Market Sales Revenue Share by Application 2015-2020
Table USA Market Sales Volume by Application 2015-2020
Table USA Market Sales Volume Share by Application 2015-2020
Table USA Price by Application 2015-2020
Table USA Export 2015-2020 (Million USD)
Table USA Export 2015-2020 (Volume)
Table USA Import 2015-2020 (Million USD)
Table USA Import 2015-2020 (Volume)
Table Sales Revenue, Salels Volume, Price, Cost and Margin of BOTASH SA
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Solvay
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Tata Chemicals
Table Sales Revenue, Salels Volume, Price, Cost and Margin of FMC
Table Sales Revenue, Salels Volume, Price, Cost and Margin of OCI
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Nirma
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Ciech
Table Sales Revenue, Salels Volume, Price, Cost and Margin of GHCL
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Haihua Group
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Sanyou Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Hubei Shuanghuan
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Jilantai Salt Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Qingdao Soda Ash
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Lianyungang Soda Ash
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Hebang
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Huachang Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Yuanxing Energy
Table Global Market Sales Revenue by Company 2015-2020
Table Global Market Sales Revenue Share by Company 2015-2020
Table Global Market Sales Volume by Company 2015-2020
Table Global Market Sales Volume Share by Company 2015-2020
Table Global Price by Company 2015-2020
Table USA Market Sales Revenue by Company 2015-2020
Table USA Market Sales Revenue Share by Company 2015-2020
Table USA Market Sales Volume by Company 2015-2020
Table USA Market Sales Volume Share by Company 2015-2020
Table USA Price by Company 2015-2020
Table Global Market Sales Revenue by Type 2015-2020
Table Global Market Sales Revenue Share by Type 2015-2020
Table Global Market Sales Volume by Type 2015-2020
Table Global Market Sales Volume Share by Type 2015-2020
Table Global Price by Type 2015-2020
Table USA Market Sales Revenue by Type 2015-2020
Table USA Market Sales Revenue Share by Type 2015-2020
Table USA Market Sales Volume by Type 2015-2020
Table USA Market Sales Volume Share by Type 2015-2020
Table USA Price by Type 2015-2020
Table Global Market Sales Revenue by Application 2015-2020
Table Global Market Sales Revenue Share by Application 2015-2020
Table Global Market Sales Volume by Application 2015-2020
Table Global Market Sales Volume Share by Application 2015-2020
Table Global Price by Application 2015-2020
Table USA Market Sales Revenue by Application 2015-2020
Table USA Market Sales Revenue Share by Application 2015-2020
Table USA Market Sales Volume by Application 2015-2020
Table USA Market Sales Volume Share by Application 2015-2020
Table USA Price by Application 2015-2020
Table USA Export 2015-2020 (Million USD)
Table USA Export 2015-2020 (Volume)
Table USA Import 2015-2020 (Million USD)
Table USA Import 2015-2020 (Volume)
Table Sales Revenue, Salels Volume, Price, Cost and Margin of BOTASH SA
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Solvay
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Tata Chemicals
Table Sales Revenue, Salels Volume, Price, Cost and Margin of FMC
Table Sales Revenue, Salels Volume, Price, Cost and Margin of OCI
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Nirma
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Ciech
Table Sales Revenue, Salels Volume, Price, Cost and Margin of GHCL
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Haihua Group
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Sanyou Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Hubei Shuanghuan
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Jilantai Salt Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Qingdao Soda Ash
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Lianyungang Soda Ash
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Hebang
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Huachang Chemical
Table Sales Revenue, Salels Volume, Price, Cost and Margin of Yuanxing Energy
LIST OF FIGURES
Figure Natural Market Size and Growth 2015-2020 (Million USD)
Figure Natural Market Size and Growth 2015-2020 (Volume)
Figure Natural Market Forecast and Growth 2021-2026 (Million USD)
Figure Natural Market Forecast and Growth 2021-2026 (Volume)
Figure Synthetic Market Size and Growth 2015-2020 (Million USD)
Figure Synthetic Market Size and Growth 2015-2020 (Volume)
Figure Synthetic Market Forecast and Growth 2021-2026 (Million USD)
Figure Synthetic Market Forecast and Growth 2021-2026 (Volume)
Figure Glass Market Size and Growth 2015-2020 (Million USD)
Figure Glass Market Size and Growth 2015-2020 (Volume)
Figure Glass Market Forecast and Growth 2021-2026 (Million USD)
Figure Glass Market Forecast and Growth 2021-2026 (Volume)
Figure Chemicals Market Size and Growth 2015-2020 (Million USD)
Figure Chemicals Market Size and Growth 2015-2020 (Volume)
Figure Chemicals Market Forecast and Growth 2021-2026 (Million USD)
Figure Chemicals Market Forecast and Growth 2021-2026 (Volume)
Figure Soaps & Detergents Market Size and Growth 2015-2020 (Million USD)
Figure Soaps & Detergents Market Size and Growth 2015-2020 (Volume)
Figure Soaps & Detergents Market Forecast and Growth 2021-2026 (Million USD)
Figure Soaps & Detergents Market Forecast and Growth 2021-2026 (Volume)
Figure Others Market Size and Growth 2015-2020 (Million USD)
Figure Others Market Size and Growth 2015-2020 (Volume)
Figure Others Market Forecast and Growth 2021-2026 (Million USD)
Figure Others Market Forecast and Growth 2021-2026 (Volume)
Figure Global Light Soda Ash Market Size and Growth 2015-2020 (Million USD)
Figure Global Light Soda Ash Market Size and Growth 2015-2020 (Volume)
Figure Global Light Soda Ash Market Forecast and Growth 2021-2026 (Million USD)
Figure Global Light Soda Ash Market Forecast and Growth 2021-2026 (Volume)
Figure USA Light Soda Ash Market Size and Growth 2015-2020 (Million USD)
Figure USA Light Soda Ash Market Size and Growth 2015-2020 (Volume)
Figure USA Light Soda Ash Market Forecast and Growth 2021-2026 (Million USD)
Figure USA Light Soda Ash Market Forecast and Growth 2021-2026 (Volume)
Figure Global Market Sales Revenue Share by Company in 2019
Figure Global Market Sales Volume Share by Company in 2019
Figure USA Market Sales Revenue Share by Company in 2019
Figure USA Market Sales Volume Share by Company in 2019
Figure Global Market Sales Revenue Share by Type in 2019
Figure Global Market Sales Volume Share by Type in 2019
Figure USA Market Sales Revenue Share by Type in 2019
Figure USA Market Sales Volume Share by Type in 2019
Figure Global Market Sales Revenue Share by Application in 2019
Figure Global Market Sales Volume Share by Application in 2019
Figure USA Market Sales Revenue Share by Application in 2019
Figure USA Market Sales Volume Share by Application in 2019
Figure Industry Chain Overview
Figure Natural Market Size and Growth 2015-2020 (Million USD)
Figure Natural Market Size and Growth 2015-2020 (Volume)
Figure Natural Market Forecast and Growth 2021-2026 (Million USD)
Figure Natural Market Forecast and Growth 2021-2026 (Volume)
Figure Synthetic Market Size and Growth 2015-2020 (Million USD)
Figure Synthetic Market Size and Growth 2015-2020 (Volume)
Figure Synthetic Market Forecast and Growth 2021-2026 (Million USD)
Figure Synthetic Market Forecast and Growth 2021-2026 (Volume)
Figure Glass Market Size and Growth 2015-2020 (Million USD)
Figure Glass Market Size and Growth 2015-2020 (Volume)
Figure Glass Market Forecast and Growth 2021-2026 (Million USD)
Figure Glass Market Forecast and Growth 2021-2026 (Volume)
Figure Chemicals Market Size and Growth 2015-2020 (Million USD)
Figure Chemicals Market Size and Growth 2015-2020 (Volume)
Figure Chemicals Market Forecast and Growth 2021-2026 (Million USD)
Figure Chemicals Market Forecast and Growth 2021-2026 (Volume)
Figure Soaps & Detergents Market Size and Growth 2015-2020 (Million USD)
Figure Soaps & Detergents Market Size and Growth 2015-2020 (Volume)
Figure Soaps & Detergents Market Forecast and Growth 2021-2026 (Million USD)
Figure Soaps & Detergents Market Forecast and Growth 2021-2026 (Volume)
Figure Others Market Size and Growth 2015-2020 (Million USD)
Figure Others Market Size and Growth 2015-2020 (Volume)
Figure Others Market Forecast and Growth 2021-2026 (Million USD)
Figure Others Market Forecast and Growth 2021-2026 (Volume)
Figure Global Light Soda Ash Market Size and Growth 2015-2020 (Million USD)
Figure Global Light Soda Ash Market Size and Growth 2015-2020 (Volume)
Figure Global Light Soda Ash Market Forecast and Growth 2021-2026 (Million USD)
Figure Global Light Soda Ash Market Forecast and Growth 2021-2026 (Volume)
Figure USA Light Soda Ash Market Size and Growth 2015-2020 (Million USD)
Figure USA Light Soda Ash Market Size and Growth 2015-2020 (Volume)
Figure USA Light Soda Ash Market Forecast and Growth 2021-2026 (Million USD)
Figure USA Light Soda Ash Market Forecast and Growth 2021-2026 (Volume)
Figure Global Market Sales Revenue Share by Company in 2019
Figure Global Market Sales Volume Share by Company in 2019
Figure USA Market Sales Revenue Share by Company in 2019
Figure USA Market Sales Volume Share by Company in 2019
Figure Global Market Sales Revenue Share by Type in 2019
Figure Global Market Sales Volume Share by Type in 2019
Figure USA Market Sales Revenue Share by Type in 2019
Figure USA Market Sales Volume Share by Type in 2019
Figure Global Market Sales Revenue Share by Application in 2019
Figure Global Market Sales Volume Share by Application in 2019
Figure USA Market Sales Revenue Share by Application in 2019
Figure USA Market Sales Volume Share by Application in 2019
Figure Industry Chain Overview
