Danen Technology Corporation (3686.TW), founded in November 2007 and headquartered at No. 599 Huan-Nan Road, Guanyin District, Taoyuan City, Taiwan, manufactures and sells multicrystalline silicon wafers, ingots, and bricks for photovoltaic solar applications worldwide; it offers high-efficiency multi-crystalline solar wafers with average solar cell conversion efficiency above 17.6% and up to 18% for ultra-high efficiency variants, ultra-thin slicing technology enabling 160-180μm thickness, P/Boron-doped wafers with lifetime >=1μs and resistivity 0.5-3.0 Ohm-cm, customized OEM services, and product processing tailored for tier-one solar cell makers in Taiwan, Europe, and Asia; the company operates production facilities including Plant I (120MW capacity completed in 2008), Plant II (210MW added in Q1 2011), and Plant III under construction to reach total capacity of 550MW. Danen Technology maintains a lean operation with 21 employees and distributes products domestically and internationally through wholesale and retail channels. No major acquisitions, partnerships, funding rounds, new product launches, or strategic shifts reported in the last 1-2 years; the company sustains focus on R&D in crystallization, slicing, and wafer technologies amid subdued recent revenues of TWD 77.12 million and net losses.