3SG Network
At 3SG Network, we specialize in sourcing and supplying the finest natural stones from Iran’s richest quarries. With years of experience, we are committed to delivering premium-quality marble, onyx, granite, and travertine for architectural and design projects worldwide. Our dedication to sustainability, craftsmanship, and customer satisfaction sets us apart as a trusted partner in the stone industry.

Services
Quality Control in Building Stone Processing
Quality control in building stone processing ensures the product meets technical, aesthetic, and safety standards. It includes stages such as raw stone inspection, cutting precision, surface treatment, mechanical tests (strength, water absorption), final inspection, and proper packaging, along with documentation and adherence to international standards like ISO 9001 and CE marking.
Transportation of Building Stones
Building stone transportation standards ensure the quality, safety, and integrity of the stones during transit by preventing damage from physical and environmental factors. Key standards include ISO 9001, ASTM D5635, and EN 1469, with specific guidelines for road, sea, and rail transportation, packaging, safety, and environmental requirements.
Network Capacity
Gallery
- All Photos
- Granite
- Limestone
- Marble
- Onyx
- Travertine
- Back
- light Marble
- Dark Marble