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The National Pipeline Group Engineering Technology Innovation Co., Ltd. has announced the shortlisted candidates for the feasibility study of the Chifeng-Jinzhou hydrogen pipeline project. The top three bidders include China Petroleum Pipeline Engineering Co., Ltd. at 3.88 million yuan, Sinopec Petroleum Engineering Design Co., Ltd. at 3.52 million yuan, and China Petroleum Engineering Construction Co., Ltd. at 3.8218 million yuan. The project will involve a 320-kilometer hydrogen pipeline with a capacity of 450,000 tons per year, running alongside a methanol/liquid ammonia pipeline.