Operation and Maintenance

ZASS Telecom is one of the leading telecom supply & service providing companies having extensive focus and experience in full Passive Infrastructure Maintenance Services like:

1. Portable Generator/DGoW Running

2. Generator maintenance 

3. Power System (Rectifier) Maintenance 

4. Battery System Maintenance, AC maintenance 

5. FCU(Free Cool Unit)/ IVS(Intelligent Ventilation System) maintenance

6. Leakage Maintenance (minor CW) 

7. Grid Power Maintenance

8. E-Bill collection & process

9. Solar System Maintenance

10. DG fuel supply etc.


To ensure KPI, SLA and provide prompt & best support to the customers ZASS has already established its foot print countrywide and accordingly ZASS has more than 31 offices in different locations (like Dhaka, Chittagong, Sylhet, Khulna, Barishal, Jashore, Patuakhali, Bhola,,Kushtia, Rangpur, Rajshahi, Mymensing , Cumilla, Narayanganj, Gazipur, Savar, Manikganj, Narsingdi etc.).