Solar panel suppliers in Zhejiang province are boosting the performance of their models to penetrate further the midrange and high-end markets. At most companies, efforts are geared toward enhancing conversion efficiency.IVIany makers are aiming for a ratio of 20 percent for polycrystalline modules and 21 percent for monocrystalline types within five years. Suppliers seem close to achieving these targets, with several new designs already having ratings exceeding 16 percent.
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