Guangzhou Mingjun Electrotechnology Co., Ltd. has been manufacturing and installing elevator air conditioners since 2005. That same year, our company partnered with the Guangzhou Branch of Otis Elevator (Guangzhou) Co., Ltd. to complete an elevator air conditioner installation project at Jinsong Mansion in Shenzhen. The successful commissioning of this unit laid a solid foundation for our long-term cooperation with Otis Elevat