JA Solar to invest RMB 2.5 billion in 5 GW wafers and 6 GW high-efficiency cells projects; Shuangliang Eco-Energy subsidiary to supply 7,800 tons of single crystal square ingots; Mubang Hi-Tech invests in 10 GW TOPCon PV Cell production. JA Solar to invest RMB 2.5 billion in wafer and cell production: In an announcement, solar […]