DEC has successfully established the vertical industry chain from silicon material, wafers, cells, modules to photovoltaic systems. By 2011, the production capacity has reached up 2200 metric tons for polycrystalline silicon, 800 metric tons for monocrystalline silicon. DEC is specialized in producing high quality cells and modules ; the production capacity has expanded to 500MW for cells and modules respectively. DEC can also provide other related products, such as inverters, trackers and so on.