The projects are a 255MW plant in Romania and 80MW in Poland, to be completed by the end of 2014.
In a statement to the Shenzhen stock exchange, Chaori says the companies may work together on projects in other emerging markets in Europe.
Skybasesolar invests in and operates solar projects, and also supplies panels to residential and commercial projects.
Chaori also announced that it has signed a deal to supply 100MW of its panels to Chinese solar-systems group Sky Solar for 549m yuan ($86.6m).
The