DEC lays great emphasis on the renewable energy and contributing to environmental conservation, After several years striving in this field, DEC becomes one of the leading companies in renewable energy field.

DEC has already built its own production line for solar polysilicon, solar cell, solar module, inverter, and other solar power generation equipment. Currently, the annual production of polysilicon is up to 2,200 tons, and the annual production of solar cell reaches 420MW~480MW in 2011.