The Torsion Spring can store and release energy. Torsion spring is a kind of cylindrical helical spring which burdens torsion moment. The spring makes use of lever principle to get huge mechanical energy. The end part of the spring is all kinds of arms. The spring is from single torsion to double torsion. Torsion spring is used in balance mechanism and applied in automobiles, motorcycles,shipping,electronics, home appliances,commercial installations and other fields.
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Yingli wants to occupy one-third of the global PV market
Abstract Yingli Group's “1st Annual Complete Production Chain of 100MW Ceramics for Polycrystalline Solar Cells†is expected to be officially put into operation in Hainan on July 8. It is estimated that by 2015, Yingli Hainan Industrial Base will basically build a relatively complete photovoltaic industry and...