Workers make solar photovoltaic modules at a factory in Hai'an, East China's Jiangsu Province on June 19, 2023. Hai'an has been ramping up efforts to upgrade the local industrial chain, aiming to further elevate the competitiveness of the PV industry. China's total export of PV products exceeded $51.2 billion in 2022, up 80.3 percent year-on-year, industry data showed. Photo: cnsphoto