The largest Chinese M&A deal proposed so far this year appears set to close this week as GCL-Poly Energy finalized shareholder approvals for its $3.4 billion acquisition of a leading solar-cell parts manufacturer.

Hoping to take advantage of China’s efforts to meet the challenges of climate change by investing in clean energy projects, GCL-Poly Energy announced in late June that it would expand its green portfolio by acquiring Jiangsu Zhongneng Polysilicon Technology Development.