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□ Technical Training　　□ Installation and Debugging　　□ Equipment Evaluation　　
□ Fault Handling 　　 □ Maintenance and Repair 　　 □ Update and Improvement

□ We promise to assist customers to install and debug the equipment for free after signing a contract.
□ One year warranty and three guarantees for products, we promise to provide technical support for free after the warranty period.
□ We promise to return a visit to our customers to make sure the equipment operated normal.
□ We promise to keep in touch with customers all the time and improve our quality system gradually.
□ The service hotline set up whole day. We’ll arrive the urban working site in 8 hours and the suburban working site in 24 hours after answering the phone.