Polycrystalline Wafer global industry size is estimated to be worth US$XX million in 2022 and is forecast to a readjusted size of US$XX million by 2028 with a CAGR of XX% during the forecast period 2022-2028. Fully considering the economic change by this health crisis (Covid), Solar Grade Polysilicon accounting for XX% of the Polycrystalline Wafer global market in 2021, is projected to value US$XX million by 2028, growing at a revised XX% CAGR from 2023 to 2028. While Semiconductor Industry segment is altered to an XX% CAGR throughout this forecast period.
The global key companies of Polycrystalline Wafer include WACKER CHEMIE, OCI, DOW, REC Silicon, Tokuyama, SunEdision, KCC, Hanwha Chemical, PV Crystalox, GCL-Poly, LDK Solar, TBEA, China Silicon Corporation, Daqo New Energy, etc. In 2022, the global top five players have a share approximately XX% in terms of revenue.
In terms of Production Side,
This report researches the Polycrystalline Wafer capacity, production, growth rate, market share by manufacturers and by region (region level and country level), from 2017 to 2022, and forecast to 2028.
In terms of Sales Side,
This report focuses on the sales of Polycrystalline Wafer by region (region level and country level), by company, by Type and by Application. from 2017 to 2022 and forecast to 2028.
This research report explores the key market segments: Type and Application. The report offers an in-depth breakdown of type and application segments, and their sub-segments. The growth potential of each segment have been examined by industry experts in this report. This section of the report also provides sales and revenue forecast data by type and application segments, based on sales, price, and revenue for the period 2017-2028. Additionally, the report features a value chain and raw material analysis of the key segments.
Segment by Type
Solar Grade Polysilicon
Electronic Grade Polysilicon
Segment by Application
Semiconductor Industry
PV Industry
The report includes a section on key growth opportunities, which will help the key players to simplify complex issues and frame future strategies to compete in this competitive environment. This section will assist the players to boldly position their business.
Competitive Outlook
This section of the report provides an in-depth analysis of the competitive landscape of the market. The report profiles the key players in the market. It also provides reliable sales and revenue data of the players for the period 2017-2022. With the help of this report, key players, stakeholders, and other participants will be able to stay up-to-date with the recent and upcoming developments in the market, further aiding them in making efficient choices. The prime players profiled in this report are:
Companies
WACKER CHEMIE
OCI
DOW
REC Silicon
Tokuyama
SunEdision
KCC
Hanwha Chemical
PV Crystalox
GCL-Poly
LDK Solar
TBEA
China Silicon Corporation
Daqo New Energy
Note: We can also add companies which are not part of the above list
Global Polycrystalline Wafer market: regional analysis, the major regions covered in the report are:
North America (U.S., Canada, Mexico)
Europe (Germany, U.K., France, Italy, Russia, Spain etc.)
Asia-Pacific (China, India, Japan, Southeast Asia etc.)
South America (Brazil, Argentina etc.)
Middle East & Africa (Saudi Arabia, South Africa etc.)
Q: Who are the key players in the Polycrystalline Wafer market
A: The key players in the market are WACKER CHEMIE, OCI, DOW, REC Silicon, Tokuyama, SunEdision, KCC, Hanwha Chemical, PV Crystalox, GCL-Poly, LDK Solar, TBEA, China Silicon Corporation, Daqo New Energy.
Q: What is the revenue and sales data of the key players of Polycrystalline Wafer industry
A: The revenue and sales data of the key players of Polycrystalline Wafer industry is mentioned in full report.
Q: What are the recent and upcoming developments in the Polycrystalline Wafer market
A: The recent and upcoming developments in the Polycrystalline Wafer market are mentioned in this report.
Q: What are the main objectives of the Polycrystalline Wafer industry report
A: The main objectives of Polycrystalline Wafer industry report are to provide reliable sales and revenue data of the key players and to provide a comprehensive analysis of the competitive landscape.
Q: What are the key highlights of the Polycrystalline Wafer market research report
A: The key highlights of Polycrystalline Wafer industry report are to help players in decision making, the revenue and sales data of other players, and the recent and upcoming developments in the market.
Q: What is the scope of the Polycrystalline Wafer report
A: The Polycrystalline Wafer market report covers the market for the period 2017-2028.
Q: What is the methodology of the Polycrystalline Wafer report
A: The methodology of Polycrystalline Wafer industry report is based on primary and secondary sources.
Table of Contents
Part 1 Market Overview
1.1 Market Definition
1.2 Market Development
1.2.1 Current Situation
1.2.2 Aspects of COVID-19 Impact
1.3 By Type
Table Type of Polycrystalline Wafer
Figure Global Polycrystalline Wafer Market Share by Type in 2021
1.4 By Application
Table Application of Polycrystalline Wafer
Figure Global Polycrystalline Wafer Market Share by Application in 2021
1.5 By Region
Figure Global Polycrystalline Wafer Market Share by Region in 2021
Figure Asia Polycrystalline Wafer Market Share by Region in 2021
Part 2 Key Companies
2.1 WACKER CHEMIE
2.1.1 Company Profile
Table WACKER CHEMIE Overview List
2.1.2 Products & Services Overview
2.1.3 Sales Data List
Table Polycrystalline Wafer Business Operation of WACKER CHEMIE (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
2.2 OCI
2.3 DOW
2.4 REC Silicon
2.5 Tokuyama
2.6 SunEdision
2.7 KCC
2.8 Hanwha Chemical
2.9 PV Crystalox
2.10 GCL-Poly
2.11 LDK Solar
2.12 TBEA
2.13 China Silicon Corporation
2.14 Daqo New Energy
Part 3 Global Market Status and Future Forecast
3.1 Global Market by Region
Table Global Polycrystalline Wafer Market by Region, 2017-2021 (Million USD)
Figure Global Polycrystalline Wafer Market Share by Region in 2021 (Million USD)
Table Global Polycrystalline Wafer Market by Region, 2017-2021 (Volume)
Figure Global Polycrystalline Wafer Market Share by Region in 2021 (Volume)
Table Price List by Region, 2017-2021
3.2 Global Market by Company
Table Global Polycrystalline Wafer Market by Company, 2017-2021 (Million USD)
Figure Global Polycrystalline Wafer Market Share by Company in 2021 (Million USD)
Table Global Polycrystalline Wafer Market by Company, 2017-2021 (Volume)
Figure Global Polycrystalline Wafer Market Share by Company in 2021 (Volume)
Table Price List by Company, 2017-2021
3.3 Global Market by Type
Table Global Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure Global Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table Global Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure Global Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
3.4 Global Market by Application
Table Global Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure Global Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table Global Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure Global Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
3.5 Global Market by Forecast
Figure Global Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Global Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 4 Asia-Pacific Market Status and Future Forecast
4.1 Asia-Pacific Market by Type
Table Asia-Pacific Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure Asia-Pacific Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table Asia-Pacific Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure Asia-Pacific Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
4.2 Asia-Pacific Market by Application
Table Asia-Pacific Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure Asia-Pacific Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table Asia-Pacific Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure Asia-Pacific Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
4.3 Asia-Pacific Market by Geography
4.3.1 China Market Status and Future Forecast
Figure China Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure China Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure China Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure China Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.3.2 Southeast Asia Market Status and Future Forecast
Figure Southeast Asia Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Southeast Asia Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Southeast Asia Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Southeast Asia Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.3.3 India Market Status and Future Forecast
Figure India Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure India Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure India Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure India Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.3.4 Japan Market Status and Future Forecast
Figure Japan Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Japan Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Japan Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Japan Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.3.5 Korea Market Status and Future Forecast
Figure Korea Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Korea Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Korea Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Korea Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.3.6 Oceania Market Status and Future Forecast
Figure Oceania Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Oceania Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Oceania Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Oceania Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
4.4 Asia-Pacific Market by Forecast
Figure Asia-Pacific Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Asia-Pacific Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 5 Europe Market Status and Future Forecast
5.1 Europe Market by Type
Table Europe Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure Europe Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table Europe Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure Europe Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
5.2 Europe Market by Application
Table Europe Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure Europe Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table Europe Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure Europe Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
5.3 Europe Market by Geography
5.3.1 Germany Market Status and Future Forecast
Figure Germany Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Germany Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Germany Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Germany Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.2 UK Market Status and Future Forecast
Figure UK Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure UK Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure UK Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure UK Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.3 France Market Status and Future Forecast
Figure France Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure France Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure France Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure France Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.4 Italy Market Status and Future Forecast
Figure Italy Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Italy Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Italy Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Italy Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.5 Russia Market Status and Future Forecast
Figure Russia Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Russia Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Russia Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Russia Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.6 Spain Market Status and Future Forecast
Figure Spain Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Spain Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Spain Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Spain Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.6 Netherlands Market Status and Future Forecast
Figure Netherlands Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Netherlands Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Netherlands Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Netherlands Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.7 Turkey Market Status and Future Forecast
Figure Turkey Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Turkey Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Turkey Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Turkey Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.3.6 Switzerland Market Status and Future Forecast
Figure Switzerland Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Switzerland Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Switzerland Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Switzerland Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
5.4 Europe Market by Forecast
Figure Europe Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Europe Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 6 North America Market Status and Future Forecast
6.1 North America Market by Type
Table North America Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure North America Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table North America Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure North America Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
6.2 North America Market by Application
Table North America Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure North America Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table North America Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure North America Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
6.3 North America Market by Geography
6.3.1 United States Market Status and Future Forecast
Figure United States Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure United States Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure United States Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure United States Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
6.3.2 Canada Market Status and Future Forecast
Figure Canada Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Canada Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Canada Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Canada Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
6.3.3 Mexico Market Status and Future Forecast
Figure Mexico Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Mexico Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Mexico Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Mexico Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
6.4 North America Market by Forecast
Figure North America Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure North America Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 7 South America Market Status and Future Forecast
7.1 South America Market by Type
Table South America Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure South America Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table South America Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure South America Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
7.2 South America Market by Application
Table South America Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure South America Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table South America Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure South America Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
7.3 South America Market by Geography
7.3.1 Brazil Market Status and Future Forecast
Figure Brazil Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Brazil Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Brazil Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Brazil Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
7.3.2 Argentina Market Status and Future Forecast
Figure Argentina Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Argentina Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Argentina Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Argentina Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
7.3.3 Columbia Market Status and Future Forecast
Figure Columbia Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Columbia Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Columbia Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Columbia Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
7.3.4 Chile Market Status and Future Forecast
Figure Chile Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Chile Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Chile Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Chile Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
7.3.5 Peru Market Status and Future Forecast
Figure Peru Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure Peru Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure Peru Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Peru Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
7.4 South America Market by Forecast
Figure South America Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure South America Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 8 Middle East & Africa Market Status and Future Forecast
8.1 Middle East & Africa Market by Type
Table Middle East & Africa Polycrystalline Wafer Market by Type, 2017-2021 (Million USD)
Figure Middle East & Africa Polycrystalline Wafer Market Share by Type in 2021 (Million USD)
Table Middle East & Africa Polycrystalline Wafer Market by Type, 2017-2021 (Volume)
Figure Middle East & Africa Polycrystalline Wafer Market Share by Type in 2021 (Volume)
Table Price List by Type, 2017-2021
8.2 Middle East & Africa Market by Application
Table Middle East & Africa Polycrystalline Wafer Market by Application, 2017-2021 (Million USD)
Figure Middle East & Africa Polycrystalline Wafer Market Share by Application in 2021 (Million USD)
Table Middle East & Africa Polycrystalline Wafer Market by Application, 2017-2021 (Volume)
Figure Middle East & Africa Polycrystalline Wafer Market Share by Application in 2021 (Volume)
Table Price List by Application, 2017-2021
8.3 Middle East & Africa Market by Geography
8.3.1 GCC Market Status and Future Forecast
Figure GCC Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure GCC Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure GCC Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure GCC Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
8.3.2 North Africa Market Status and Future Forecast
Figure North Africa Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure North Africa Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure North Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure North Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
8.3.3 South Africa Market Status and Future Forecast
Figure South Africa Polycrystalline Wafer Market Market Status, 2017-2021 (Million USD)
Figure South Africa Polycrystalline Wafer Market Market Status, 2017-2021 (Volume)
Figure South Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure South Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
8.4 Middle East & Africa Market by Forecast
Figure Middle East & Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Million USD)
Figure Middle East & Africa Polycrystalline Wafer Market Forecast, 2022E-2028F (Volume)
Part 9 Market Features
9.1 Product Features
9.2 Price Features
9.3 Channel Features
9.4 Purchasing Features
Part 10 Investment Opportunity
10.1 Regional Investment Opportunity
10.2 Industry Investment Opportunity
PART 11 Coronavirus Impact
11.1 Impact on Industry Upstream
11.2 Impact on Industry Downstream
11.3 Impact on Industry Channels
11.4 Impact on Industry Competition
11.5 Impact on Industry Obtain Employment
Part 12 Conclusion