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HL-24 lighting ridge ventilator of Beijing National Container Logistics Co., Ltd.
4m throat and 6m throat streamline gas building of Baoding Dacheng Boye
HL_150 of Baoding E-surfing Composite Materials Co., Ltd.
9m throat streamline gas building project of Changzhou Almaden
HL-150 gas building project of Hangzhou State Energy Turbine
HL-1200G lighting ventilator of Hangzhou Heavy Machinery Plant
162m 2.5m throat streamline gas building of Jinchuan Group Machinery Manufacturing Co., Ltd.
HL_60SC semi-circular gas building of Liaoning MIDAS Aluminum Industry
2.5m throat streamline gas building project of Qingdao NEXEN Tire