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基于 1 个已确定 T+90 收益的买入信号。收益基准：公布次日的收盘价。
无可用的信号评分。
Discover the detailed record of transactions filed by LIU Chang, 管理人员. Officer active across 1 company, notably China Gas Holdings Ltd.. In total, 1 filings have been recorded. Regulator: HKEX. The full history is accessible without signup.
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LIU Chang is an executive at China Gas Holdings Ltd. He plays a key role in managing the company, which specializes in gas distribution. His responsibilities include overseeing operations and developing new strategies to enhance efficiency.