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Steel Cylinders for Industrial Use and Firefighting Purpose Hydrogen Energy and Natural Gas Equipment Small- and Medium-sized Composite Cylinders Cryogenic Storage and Transportation Product

Tianjin Tianhai High Pressure Container Co., Ltd. Kuancheng Tianhai Pressure Container Co., Ltd. Beijing Tianhai Hydrogen Energy Equipment Co., Ltd. Shanghai Tianhai Composite Cylinders Co., Ltd. Beijing Minghui Tianhai Gas Storage and Transportation Sales Co., Ltd. BTIC America Corporation