Qingdao Yang the management company   

Qingdao Yang this business company was founded in 1992, mainly engaged in household, commercial installation, large central air-conditioning systems and other HVAC, electrical and mechanical equipment. Central air-conditioning brand sales have Daikin, beautiful, Don Han Bush, York, Trane, Hisense Hitachi, gas-fired infrared radiant heating system is American Robert Gordon products, used for heating in large space. Our company has rich experience in design and construction management, and provides strong technical support for customers. My company operating in the sunshine, integrity-based, technology as the support, in order to guarantee the quality, provide professional service for you! * * Qingdao air-conditioning engineering company...