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St. Theresa Industries has been accredited with ISO 9001:2008 certification with Sri Lanka Standard Institution (SLSI).
The ground breaking ceremony for the construction of 33kV tower line in Maskeliya.
Here’s a glimpse into the Civil Construction of a 33Kv two Section Pole Gant...
Steel pipe bridge and civil structure erected at Walakumbura
Delivering greatness! Here are few impressions of the Tower erected at Waikkala fo...
Delivering greatness! Here are few impressions of the Tower erected at Marawila fo...
Steel Bridge located at Wattala, Palliyawatta was completed by STI.
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