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전체 카테고리Factory Tour
Rang Dong Vacuum Flask Factory Tour || Raw Material - Episode 1
Rang Dong Vacuum Flask Factory Tour || Food Jars and Mega Vacuum Flasks
Rang Dong Vacuum Flask Factory Tour || Factory Electric Kettles
Rang Dong Vacuum Flask Factory Tour || Big Size Vacuum Flask
Rang Dong Vacuum Flask Factory Tour || Plastic Injection Lines and Vacuum Flask Assembly Lines
Rang Dong Vacuum Flask Factory Tour || How glass refill (glass inner) for vacuum flask is made
Rang Dong Vacuum Flask Factory Tour || Rang Dong Coffee Pot and Tea Pot Series
Rang Dong Vacuum Flask Factory Tour || Rang Dong handheld vaccum flask and water bottle series
Rang Dong Vacuum Flask Factory Tour || Rang Dong Airpot Series
Rang Dong Vacuum Flask Factory Tour || The silver coating, vacuum suction, testing stage - Episode 4
Rang Dong Vacuum Flask Factory Tour || The bottom and waist sealing technology - Episode 3
Rang Dong Vacuum Flask Factory Tour || Glass Furnace - Episode 2