The company is mainly a professional air conditioning maintenance 021-56102546 air conditioning and refrigeration, central air-conditioning maintenance service company, with the most advanced equipment and highly qualified service team, the spirit of public service concept in Shanghai, more than ten years the families of the service experience of the widely praised by customers, entered into a collaboration with a number of business units, for many years specialized in home air conditioning installation, disassembly, relocation, cleaning and maintenance, testing and fluoride plus freon refrigerant liquid plus add the syrup to add refrigerant; central air-conditioning and central air-conditioning maintenance, refrigeration equipment repair and maintenance and other services. 
 Scope of business: A. air conditioning disassembly, air conditioning maintenance, air conditioning, transfer machines, air conditioning, cleaning, air conditioning and refrigerant and air conditioning maintenance, air conditioning, disinfection, maintenance of refrigeration equipment, central air-conditioning maintenance B. air conditioner not cooling air conditioner cooling is not enough. run the air conditioner noise, leaking air conditioner, air conditioner leakage, air-conditioning fan does not switch to C. The central air conditioning is not cooling, central air conditioning does not run the central air conditioning overload, central air conditioning drip D. air conditioning dust cleaning, air conditioning package package district maintenance wedding dresses, re-installation, routine inspection of air conditioning, air conditioning, cleaning complex E. second-hand air conditioning recovery, sale; F: to undertake various types of imported, domestic air conditioning installation, repair, maintenance and relocation; refrigerator, kitchen refrigerators, cool box, chiller such as the production of various types of refrigeration equipment installation and maintenance for air conditioning on a regular basis, cleaning, disinfection Air conditioning disease prevention can save a lot of electricity, reduce power consumption to extend the air-conditioning service life. The common central air-conditioning failure phenomena: (1) Leakage: refers to refrigerant leakage; Electric (line, body) insulation damage caused by leakage. (2) blocking: refers to the cooling system fouling and ice block; clogged air filter; air inlet, and outlet obstruction blockage. (3) off: refers to the disconnection of electrical wiring; fuse blown; overheating or overcurrent caused by the contact of the overload disconnect; caused by pressure on the relay contacts to open the cooling system pressure is not normal. (4) burning: refers to the winding of the compressor motor, the windings of the fan motor, solenoid valve coil, the relay coil and contacts are burned. (5) Card: the compressor stuck fan stuck moving parts of the bearing stuck. (6) damage: refers to the broken compressor valves, piston galling, fan blade fracture and damage of various components. 
 Challenger manager 15,000,624,017,,,,,,,, ,021 -56,102,546