Direct-quarry cut-to-size panels, thermal flamed exterior pavers, and engineered rainscreen components.




Berlin stands as Europe’s epicenter of architectural transformation, where historical preservation converges with avant-garde sustainable design. From the high-density mixed-use developments along Europacity and the Mediaspree river corridor to the rigorous conservation mandates of Mitte and Charlottenburg, the regional demand for natural building materials has fundamentally shifted. Specifiers no longer evaluate stone purely on aesthetic merit; building lifecycle assessments (LCA), DIN EN conformity, thermal inertia, and frost-resistance under severe Central European winter-freeze cycles now dominate architectural tenders.
As an internationally established green granite manufacturer supplying Berlin and the broader Brandenburg metropolis, Haichen Stone delivers direct-from-quarry materials that answer Germany’s Building Energy Act (Gebäudeenergiegesetz - GEG) and DGNB (Deutsche Gesellschaft für Nachhaltiges Bauen) criteria. Green granite varieties—principally rich chlorite, epidote, and pyroxene mineral matrices—provide an unrivaled compressive profile, low water absorption, and a natural aesthetic resonance with biophilic building envelopes.
Natural stone procurement for large-scale institutional developments requires uncompromised consistency across thousands of square meters, rock-solid geological reserves, and agile logistics pipelines.
Unlike European trading intermediaries vulnerable to secondary broker price inflation, Haichen Stone operates its own block extraction reserves in Shandong. This ensures uninterrupted color fidelity, structural cohesion, and volumetric capacity across multi-year municipal phases without batch variance.
Leveraging dual loading terminals at Rizhao Port and Qingdao Port, freight is moved via direct sea lines to major Northern European freight harbors (Hamburg and Rotterdam), followed by bonded feeder transport or rail freight directly into the Berlin-Brandenburg inland freight terminals (GVZ Berlin Süd/Großbeeren).
Every single export crate is systematically labeled with cryptographic batch QR codes, complete laboratory test pedigrees, petrographic descriptions under optical polarization microscopy, and Declaration of Performance (DoP) documents fulfilling EU Construction Products Regulation (CPR) No 305/2011.
Green granite is geologically distinct from softer carbonates and standard feldspathic granites. Characterized by deep crystallization of anorthosite, quartz, and high proportions of chlorite and hornblende, our Forest Green (G4101) and associated regional varieties display minimal open microporosity, making them invulnerable to de-icing salt attack (Tausalzbeständigkeit), grease penetration, and graffiti adhesion.
| Physical / Mechanical Test Parameter | Standard Testing Norm | Haichen Green Granite Values | DIN EN European Standard Minimum |
|---|---|---|---|
| Apparent Density (Rohdichte) | DIN EN 1936 | 2,780 - 2,850 kg/m³ | ≥ 2,560 kg/m³ |
| Open Porosity (Offene Porosität) | DIN EN 1936 | 0.48 % | ≤ 1.50 % |
| Compressive Strength (Druckfestigkeit) | DIN EN 1926 | 210 MPa | ≥ 131 MPa |
| Flexural Strength (Biegezugfestigkeit) | DIN EN 12372 | 16.2 MPa | ≥ 10.0 MPa |
| Abrasion Resistance (Verschleißwiderstand) | DIN EN 14157 (Capon) | 14.5 mm groove | ≤ 20.0 mm groove |
| Frost Resistance (Frostbeständigkeit - 56 Cycles) | DIN EN 12371 | 0.0% mass loss / 2.1% strength loss | ≤ 20% strength loss |
Complex geometries—including curved granite curbs for S-Bahn transit islands, concave facade paneling, and chamfered anchoring slots—are fabricated using 5-axis CNC diamond wire profiling, guaranteeing dry-lay tolerances of less than 0.5 mm prior to container stowage.
High-resolution computer vision scanning analyzes individual slab chromatic coordinates (CIE L*a*b* space), sorting extracted green granite into strictly clustered tonal bands. This eliminates accidental color banding across extensive architectural curtain walls in Berlin.
To cater to contemporary high-rise load constraints in Berlin's seismic and wind-zone brackets, we bond 6mm calibrated natural green granite sheets to aircraft-grade aerospace aluminum honeycomb sub-cores, reducing curtain wall dead loads by over 65%.
Engineered to withstand de-icing chemicals, severe cyclic frost, and continuous heavy vehicular loads, our green granite solutions find dedicated applications across Berlin's demanding civic and private sector sectors.
Installed extensively on contemporary headquarters and residential towers across Europacity and Friedrichshain. We supply 30mm, 40mm, and undercut-drilled calibrated green granite panels engineered to interface with Fischer, BWM, or Hilti facade sub-structures, guaranteeing long-term energy dissipation.
Designed for high-impact civic zones such as Alexanderplatz, Potsdamer Platz interchanges, and BVG tram corridors. Our 80mm to 120mm flamed and bush-hammered green granite pavers resist diesel penetration, heavy cleaning rigs, and continuous pedestrian flows.
Polished, honed, and leathered green granite finishes elevate modern boardrooms, luxury retail, and lobby flooring across Charlottenburg and Mitte. The natural chlorite veining provides organic biophilic warmth while functioning as an efficient thermal mass under in-floor heating arrays.
Every cubic meter undergoes a documented 6-tier quality assurance protocol before clearance, ensuring flawless site assembly upon arrival in Germany.
Non-destructive acoustic velocity scanning at the quarry face verifies that raw green granite blocks are free from micro-fissures and internal cleavage planes before primary sawing.
High-speed multi-diamond wire saw slicing reduces slab kerf loss while delivering ultra-flat dimensional tolerances (±0.5 mm) compliant with DIN EN 1469 requirements.
Automated robotic thermal flaming, computer-controlled bush-hammering, or multi-stage diamond polishing calibrated to specified architectural roughness (Ra) values.
Critical sections of complex facade paneling and pattern paving are assembled flat on our 5,000 m² clean inspection floor, photographed under daylight D65 lamps, and mapped to CAD installation drawings.
Solid hardwood crates, pressure-fumigated with phytosanitary certification, padded with shock-absorbing foam profiles, moisture desiccants, and rust-resistant steel strap reinforcements.
Door-to-site intermodal delivery coordinating customs clearance at European ports with arranged truck delivery directly to construction staging zones across Berlin-Brandenburg.
Complementary granite varieties, high-traffic paving stone, and precision-cut structural elements.








Key procurement insights covering customs protocols, DIN compliance, sample dispatch to German offices, and structural anchoring considerations.