High quality and perfect after-sales service
1, after-sales service agencies:
Customer service and management work of service customer service Service Department - responsible for all customers of the company, has a professional installation and maintenance personnel more than 60 people, most of the staff have refrigeration equipment for more than five years experience in installation and maintenance, can quickly and accurately determine the fault reasons and can quickly remove the faults of refrigeration equipment.
2, establish and improve the user file
The completion of the project acceptance, the company requires managers fill in the table with the project tracking, customer contact, contact address, telephone number and project details, from customer service service department entered into the computer, create user files.
3, high-quality after-sales service
The equipment is manufactured in accordance with the factory standards, equipment, cold storage and piping installation in accordance with the relevant provisions of the national industrial installation. After the completion of the project, with Party A to complete the inspection work, and provide technical guidance and training. After the project is delivered, the quality guarantee period of the equipment and the project shall not be less than twelve months. In the warranty period, in case of equipment failure, the company provides free repair, replacement of parts failures and other services; warranty company can provide refrigeration equipment all original spare parts or substitute, and maintenance of preferential price.
In the warranty period, the company customer service service personnel will be regular inspection (for the period of a quarter), and the "greeting service", to ensure that the service system is smooth, timely find and solve problems, fill out the report, each party shall hold one copy.
Inspection rules


A. unit part

1 check the refrigeration system. Operating pressure parameter setting
2 check the set of computer system defrosting parameters
3 check the operating performance of the unit, refrigerant oil and refrigerant defects
4 check the solenoid valve, oil level controller and other electrical components
5 check the cooling system piping, valve parts, whether or not the fastening
6 check the condenser and clean the condenser
7 check whether the condensing fan is working properly
8 check compressor suction and exhaust temperature
9 check compressor operating current and power supply voltage
B. cold storage section
1 check whether or not the ceiling fan, water pipes are smooth
2 check whether the electric heating pipe is working properly
3 check whether the water heater heating
4 check the solenoid valve, expansion valve is working properly
5 check cold storage temperature, thermometer is normal
6 check the door, the door lock is in good condition
7 check cold storage lighting
8 check the cold storage of goods
C. electrical part
1 check the performance of each indicator and circuit
2 check the normal closing function of the combined switch
3 check if there is a deviation between the pressure sensor and the suction manifold pressure
4 check the power distribution box of the end, the telecom joint is loose, and timely fastening and repair
5 check the distribution box is not loose, timely repair and repair
6 check the three-phase current, voltage, fuse is normal, and timely repair or replacement
Maintenance rules
A. unit part
1 troubleshooting all kinds of equipment troubleshooting
2 check the operating pressure parameter setting of the refrigeration system of the computer
3 computer programs can be set to operate the factory
4 unit computer system can be set up part of the frost parameters
5 check the performance of the unit, the working conditions of each component
6 check the refrigeration system piping
7 check condenser operation
8 condenser module factory can be set up operation
9 check whether the condensing air is working properly
10 check the compressor suction, exhaust temperature and liquid temperature
11 check compressor operating circuit and power supply voltage
B. library part
1 exclude all kinds of cold storage failure
2 check whether the evaporator frosting, outlet wind speed
3 check the defrosting heater performance
4 check cold storage lighting
5 supervise the staff to clean the refrigerator
6 check the cold storage temperature and defrosting process is normal, temperature control and thermometer is normal
7 check whether the cold water tank
8 supervise the daily inspection of equipment
9 check the use of cold storage
C. cold storage section
1 check whether or not the ceiling fan water pipe, electric heating pipe is working, water heating plate is working
2 check the solenoid valve, expansion valve is working properly
3 check the refrigerator temperature, thermometer, lighting is working properly, the door, the door lock is in good condition
4 check the use of cold storage of customer
5 eliminate all kinds of difficult fault
D. electrical part
1 check circuit electrical performance
2 check whether there is a deviation between the pressure sensor and the suction manifold pressure
3 check the three-phase current, voltage, fuse is normal, and timely repair or replacement
4 other troubleshooting
Other E.
1 to build the customer service network
2 quick and easy to share and deal with major problems
3 conduct regular inspections according to the maintenance regulations
4 for the special requirements of customers, develop relevant solutions
5 to provide customers with a full range of value-added services
Sheng Li refrigeration service tenet is "customer first". To protect the interests of users, the company set up a special 24 hour telephone service and maintenance service vehicles, and in more than a decade ago has launched a real Shanghai 2 hour fast door-to-door service outside the area 2 hours response come 4 hours to arrive at the scene of customer service service, the company with good reputation, high-quality customer service service commercial refrigeration, in Shanghai and East China received unanimous praise.


Our service is all over the country:




National 24 hours hotline: 400-820-7737
Shanghai 24 hours service hotline: 021-62641926         52804581       62650799
Hangzhou 24 hours service hotline: 0571-86806020     86810170
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