Zunyi Dingjing Electromechanical Engineering Co., Ltd. was established in 2017 with the approval of Guizhou Administration for Industry and commerce. Since its inception, the company has been in line with the principle of "professional services, integrity-based" engaged in the development of HVAC industry. And authorized by Gree brand installation, repair and maintenance services.Our company set up Zunyi County air conditioning professional maintenance service network. Zunyi district has a division air conditioning, central air conditioning design, construction and after-sales professional company.