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We are always happy to address your questions or suggestions. 
Whether you are in search of technical consultancy, customer service, or sales support, we welcome you to contact us at any time for assistance!

Enterprise Systems Limited (ESL)
Enterprise Solution Networks Limited (ESNL) 


Address:

Room 203, Wing Ming Industrial Center, 15 Cheung Yue Street,
Cheung Sha Wan,
Kowloon,
Hong Kong

Telephone: (852) 2180-0828

Fax: (852) 2180-0838

General Enquiry: service@eslhk.com.hk

Sales Enquiry: sales@eslhk.com.hk

Sales Hotline: (852) 2186-1188

 

 

 

 


 



Wan Tone Systems Limited (Macau)
Macau Representative Office
 

 
Address:
 
Level 20, AIA Tower, Nos. 251A-301, Avenide Commercial De Macau, Macau
 
Telephone:
 
(853) 6262-6318
 
Fax:
 
(852) 2180-0838
 
   

Enterprise Systems Limited (GZ) 
Guangzhou Representative Office 

 
Address:
 
Rm 106, High & New Technology Incubation Centre, No. 240,
Tianhe Dong Road, Guangzhou, China

 
Telephone:
 
(86) 020-87583262
 
Fax:
 
(86) 020-85264351