Quality of Hoses: Use high-quality, automotive-grade air conditioning hoses that are designed for the specific requirements of bus air conditioning systems. Quality hoses will have better resistance to pressure, temperature, and refrigerant chemicals.

The company has invested a large amount of money to introduce domestic advanced technology of Beijing Tsinghua production line and hose special testing equipment, and with the key universities to establish a research, study, production cooperation and mutual assistance, employing the domestic automobile air-conditioning hose industry influential 3 engineers as the company's R & D and technical guidance core, based on which the company has set up a high-quality production team with more than 50 senior technicians, more than 200 workers, and a high quality production team. High-quality production team.