Special Cleaning Mechanism for Centralized Air Conditioning Ventilation

Zhengzhou DEFY passed the qualification certification of "Special Cleaning Mechanism for Centralized Air Conditioning Ventilation System in Public Places". With rich experience in providing high-quality services for major star-rated hotels, government agencies, enterprises and institutions, shopping malls and supermarkets, as well as various public places, the price is reasonable and the management is honest. It is your choice for air-conditioning service!

We offer the following services:

A, air quality management:

Air quality testing, air purification engineering, cleaning and disinfection of ventilation systems, annual air quality management, indoor air treatment;

B. Operation management and maintenance of air conditioning system:

Contract energy management, air conditioning system annual maintenance, air conditioning system installation and maintenance, air conditioning system operation custody, air conditioning system cleaning and maintenance;

C, equipment and product sales:

Sales of air-conditioning equipment and products, sales of water purification equipment and products, sales of air purification equipment and products, cleaning equipment and product sales.