(EnergyAsia, February 7) — Trina Solar Limited, a manufacturer of solar photovoltaic products based in Changzhou, China, said it has agreed to purchase high purity silicon from Germany’s Wacker Polysilicon, the polysilicon division of Wacker Chemie AG on term contract. Wacker Polysilicon will supply Trina Solar with high purity polysilicon over a six-year period starting…