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      CHINA
         
      After-sale Service
        Sales Hotline
       
      0086-20-85521526
       
      0086-20-85666086
       
       
      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.
       
      Click it to collapse.     Fiber Modems
       
              HS-OPT121 E1 fiber modem   NO
              HS-OPT122 Ethernet fiber modem   NO
              HS-OPT123 V.35 fiber modem   download
      Click it to collapse.     Protocol Converter Series(interface converter)
       
              HS-CON201 FE1/V.35 converter   download
              HS-CON202 E1/100Base_T converter   download
              4E1/100Base_T converter   download
              8E1/100Base_T Converter   download
              Protocol Converter Chassis   download
      Click it to collapse.     PDH Multiplexers
       
              HS-OPT101 4*E1 Series   download
              HS-OPT101E 4E1+100M PDH   NO
              HS-OPT102 8E1 PDH   download
              HS-OPT102E 8*E1+100M PDH   NO
              HS-OPT103 16E1 PDH   NO
              HS-OPT104 24E1 PDH   NO
              E1 PDH Multiplexer Chassis   NO
      Click it to collapse.     Fiber Optic Media Converters
       
              10M/100M Dual-fiber media converter   NO
              10M/100M Single-fiber media converter   NO
              10/100/1000M Dual-fiber media converter   NO
              10/100/1000M Single-fiber media converter   NO
              2RJ45 Dual-fiber media converter   NO
              2RJ45 Single-fiber media converter   NO
              HS-14 14 slot media converter   NO
              HS-16 16 slot media converter   NO
      Click it to collapse.     Video Optical Converters
       
              1 Channer Video   NO
              1 Channel Video + 1RS485 Data   NO
              2 Channer Video   NO
              2 Channel Video + 1 RS485 Data   NO
              4 Channel Video   NO
              4 Channel Video +1 RS485 Data   NO
              8 Channel Video   NO
              8 Channel Video + Data   NO
              16 Channel Video   NO
              16 Channel Video + Data   NO
      Click it to collapse.     PCM Equipments
       
              HS-PCM30   download
      Click it to collapse.     SHDSL
       
              SHDTU03   NO
      Click it to collapse.     Phone Fiber Optic Multiplexers
       
              HS-OPTEL04 4CH Phone Fiber Mux   NO
              HS-OPTEL08 8CH Phone Fiber Mux   download
              HS-OPTEL16 16CH Phone Fiber Mux   NO
              HS-OPTEL30 30CH Phone Fiber Mux   NO
              HS-OPTEL48 48CH Phone Fiber Mux   NO
      Click it to collapse.     光纤光缆
       
              GYSTA、GYSTS型层绞式光缆   NO
              GYSTY53型层绞式光缆   NO
              ADSS自承式光缆   NO
              室外非金属光缆   NO
              室外重铠光缆   NO
              室外光纤带光缆   NO
              室内光纤带光缆   NO
              野战光缆   NO
      Click it to collapse.     光产品配件
       
              光纤盒   NO
      Click it to collapse.     Single/Multi Mode Converters
       
              HS-MS/GE(1.25G) mode converter   NO
              HS-MS/GES(1.25G)mode converter   NO
              HS-MS/AE(622M)mode converter   NO
              HS-MS/MS (155M)mode converter   NO
              HS-MS/FE(155M)mode converter   NO
              HS-MS/SS (155M)mode converter   NO
      Click it to collapse.     Slot Multiplexer(protocol converter)
       
              HS-CON201Tel V.35 voice bridge   NO
              HS-CON202Tel voice bridge   NO
      Click it to collapse.     Optical Accessories
       
              optical fiber connector   NO
              optical fiber adaptor   NO
              ODF unit   NO
              cable transfer box   NO
              Network cabinet   NO
      Click it to collapse.     Optical Fiber Cables
       
              GYXTW   NO
              GJFJV tight tube soft cable   NO
              GJFJV tight tube soft cable   NO
      Click it to collapse.     Industrial Ethernet Switches
       

        All rights reserved By GuangZhou HanSun Communication Equipment Co.,Ltd.
      Address:Room 810, Research&Development Building .NO.3 Guangpu West Road,Science City, Guangzhou, China.
      Tel   :0086-20-85521526 85666086
      Fax   :0086-20-82189311
      E-mail: yuzhaozhen@gmail.com
      MSN   : hansuncn@hotmail.com
      Website:www.chuou-yamada.com
      ICP:05076056

       
      龙8客户端登录
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