About Us
Tetragon Invest Group is a vertically integrated mining and trading group specialising in high-quality industrial clay and silica sand. With operations in the Republic of Moldova, we manage the entire value chain — from extraction to delivery.
Our Structure:
• Pentagon LLC — mining company operating its own deposits of clay and silica/construction sand
• Tetragon LLC — trading and operational arm responsible for mining, logistics, certification, and strict quality control
Applications of Our Materials:
• Industrial clay for expanded clay aggregate (LECA), cement, ceramics, and brick production
• Raw silica sand for construction, dry mixes, concrete products, tile adhesives, and glass manufacturing
The Group is founded and managed by David Davitean, an industry specialist with over 11 years of experience in non-metallic mineral resources across Eastern Europe.
Our expertise ensures stable volumes, consistent quality, and reliable long-term supply for industrial clients.
About our Products
We supply high-quality certified raw materials for industrial applications, ensuring stable long-term volumes and competitive commercial terms.
What You Get:
• Certified industrial clay and silica sand sourced from our proprietary deposits
• Consistent quality ensured through controlled extraction and on-site processing
• Cost-efficient logistics, thanks to our strategic location and direct access to major transportation routes
• Best value for money in the regional market for non-metallic raw materials
Logistics Advantages – Our Natural Resources Pool is strategically located for fast and cost-effective delivery:
• Directly on the Poltava M1–M21 highway
• 24 km from Chisinau and Vatra railway stations
• 240 km from Giurgiulesti International Free Port
• 450 km from the Port of Constanța (Romania)
This allows us to ensure efficient distribution throughout Moldova, Romania, the EU, Ukraine and the Black Sea region