Expansion of market scale Photovoltaic industry is an important part of the field of new energy, with the enhancement of environmental awareness, energy demand continues to grow, the global photovoltaic market size is expanding year by year.   Continuous upgrading of technology In recent years, new photovoltaic materials continue to emerge, photovoltaic technology continues to upgrade, and product efficiency continues to improve.   Policy support China has a strong photovoltaic market reserve scale, and the National Development and Reform Commission has proposed to accelerate the promotion of large-scale solar power generation bases focusing on deserts, Gobi and desert areas. In the report to the 20th National Congress of the Communist Party of China, it was mentioned that the clean, low-carbon and efficient use of energy should be promoted, while the clean and...