March 17 (Reuters) - Huawei Technologies Co Ltd has replaced more than 13,000 parts in its products that were hit by U. According to the transcript of the February speech posted by Shanghai Jiao Tong University, Ren Zhengfei said Huawei had over the past three years replaced the 13,000 components with domestic Chinese substitutes and had redesigned 4,000 circuit boards for its products. See here for a complete list of exchanges and delays