58.3% of the enterprises in Caofeidian Industrial Park are in the wholesale industry, and 16.7% are in the software and information technology service industry. Among them, enterprises with registered capital exceeding10 million include Hebei Changlian Natural Gas Power Generation Co., Ltd., Donghua Energy (Tangshan) New Materials Co., Ltd., Hebei Longcheng Coal Comprehensive Utilization Co., Ltd., Hebei Longcheng Waste Materials Reuse Co., Ltd. and Tangshan Shi Yun Trading Co., Ltd.
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