Chinese companies Shanghai Fengling Renewables and Zijin Mining Group (<a href="http://english.sse.com.cn/markets/equities/list/overview/?COMPANY_CODE=601899&STOCK_CODE=601899" target="_blank">SHA:601899</a>) are considering a potential investment in a 1,500-MW hybrid wind and solar project to produce green hydrogen in eastern Serbia, the Serbian ministry of mining and energy said on Friday.