中文  
   
After-sale Service
   
7X24 HOURS
Sales Hotline
  020-85521526
020-85666086
FAX
  020-82189311
EMAIL
 
 
 
Presale Service
  Customers can get comprehensive information about the products through all sorts of channels before they purchase the Hansun's products, such as products' consultation, fax service, networks' information, and telephone consultation and so on. Our company also can design relative solutions according to the requirements of customers for free.
Sale Service
  technical support telephone is in service for 7*24 hours supposed contacting with our technicians for support and solutions.
Comprehensive Customers' Files
  Guangzhou Hansun used The Guangzhou Chinese letter uses the user registration receipt card and the service card union form for the legitimate customer establishment complete history file, provides the unimpeded technical support and the post-sale service
Customers Feedback
  Guangzhou Hansun has set up after-sale service Dept. for technical support, information of customers' feedbacks and problems , it also collects and handles the customers' advice and suggestions at the first time.
After-sale Service
  To provide the customers high-efficiency and timely technical support and after-sale service by our technical service Dept. with the support of the center Dept.
Long-distance Maintenance
  We call you back in an hour, and will solve the problems as soon as possible.
Quick Response
 

We shall visit the customers whose problems can not be solved by calling our support hotline at a quick speed until getting satisfy of the customers.

Technical Support
  We shall provide the technical support for the customers in the long term.
Users’ Survey
  Double users' survey can ensure the service Guangzhou Hansun has promised. Service network units evaluate servicemen's performance based on their service. Service supervisory Dept. in Guangzhou Hansun head company is responsible to survey users and control all the companies and agencies' service directly and comprehensively.
Support to Dealers
  Including the training, technical supporting and information supporting to dealers.
Service Supervision
  Special service supervising organization—service supervision Dept. to make sure the quality in every service process, and to regulate or follow up the customers' feedback in time.
   
PDH series
 
protocol converter series(interface converter)
   
Phone Fiber Mux
Slot multiplexer(protocol converter)
   
Fiber Modem
PCM
 
Media Converter
Mode Converter
   
   
 
  All rights reserved By GuangZhou HanSun Communication Equipment Co.,Ltd.
Adress:No.7 Jianzhong Road,S&T Zone,Tianhe District, Guangzhou, China
Tel   :86-020-85521526 85666086
Fax   :86-020-82189311
E-mail:sales@hansun.com.cn
Http://www.twpasak.com
ICP:05076056

 
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