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St. Theresa Industries has been accredited with ISO 9001:2008 certification with Sri Lanka Standard Institution (SLSI).
Ada Derana Biz 24×7 Interview with Our Director Madusanka Fernando
Interview with the Chairman
STI Holdings Introduces Helical Anchoring in Sri Lanka
STI Holdings Celebrates it’s 45th Anniversary
St. Theresa Industries: Empowering lifeblood of the nation for 45 years
These Beautiful Giant Sculptures Supporting Power Lines with Style
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