19 November, 2020 On 19 November 2020, Changzhou Trina Solar Energy Co., Ltd. (hereinafter Trina Solar) and Tianjin Zhonghuan Semiconductor Co., Ltd., (hereinafter Zhonghuan) signed a framework contract. Under the contract, Trina Solar intends to purchase 210mm monocrystal silicon wafers from Tianjin Huanou International Silicon Material Co., Ltd., a subsidiary of Zhonghuan. During the proposed procurement period between January 2021 and December 2021, the estimated total contract value is about 6.552 billion yuan (including tax) with no less than 1.2 billion pieces.