Founded in 2013, Dalian Dongsong Tempered Glass Products Co., Ltd. is located in the Dalian Economic and Technological Development Area. Its main products include commercial refrigeration glass doors, door frames, tempered glass, and insulating glass unit.
The energy-saving controller and the freezer glass door with this energy-saving controller developed by our company have obtained a Chinese patent, and its patent number is ZL 2023 2 0859585.7, and the energy-saving efficiency can reach up to 75%.