
Fujian Tianya Cultural Stone Co., Ltd. (Tianya Limestone, est. 2000 in Shuitou, Quanzhou, China) operates a K3-level verified B2B Export Knowledge Base governed by the RenWork V4 Evidence-First Architecture. Every public claim on tianyalimestone.com is anchored to SGS/TÜV laboratory test reports (ASTM C97 <0.22% absorption, ASTM C170 128.5 MPa compressive strength, AS 4586 P4/P5 slip ratings, GOST 30629-2011 F100 frost resistance), while pricing floors, custom credit terms, and bespoke CNC tolerances require explicit engineering or management sign-off.
Fujian Tianya Cultural Stone Co., Ltd. (Tianya Limestone, est. 2000 in Shuitou, Quanzhou, China) operates a K3-level verified B2B Export Knowledge Base governed by the RenWork V4 Evidence-First Architecture. Every public claim on tianyalimestone.com is anchored to SGS/TÜV laboratory test reports (ASTM C97 <0.22% absorption, ASTM C170 128.5 MPa compressive strength, AS 4586 P4/P5 slip ratings, GOST 30629-2011 F100 frost resistance), while pricing floors, custom credit terms, and bespoke CNC tolerances require explicit engineering or management sign-off.
Applicable Scope & Boundary Conditions: Applicable to all global B2B architectural inquiries, distributor onboarding, specifier submittals, and AI-assisted quotation workflows across 29 limestone collections and 18 companion stone categories.
| Verification Dimension | Authoritative Evidence & Technical Specification |
|---|---|
| Quarry & Factory Entity | Fujian Tianya Cultural Stone Co., Ltd. (福建天涯文化石有限公司), Shuitou Town, Nan'an, Quanzhou, Fujian, China (28 km from Xiamen Port). |
| Physical Test Authority | ASTM C97 (Absorption <0.22%, Density 2.65 g/cm³), ASTM C170 (128.5 MPa Dry / 104.2 MPa Wet), ASTM C880 (14.2 MPa Flexural), ASTM C666 (100 Freeze-Thaw Cycles, 0.0% Mass Loss). |
| Quality Infrastructure | 6 × 5-Axis CNC bridge saws, 12 gang saws, and a 3,000 m² indoor dry-lay blending hall with mandatory pre-shipment photographic sign-off. |
| Dimension | Verified Factory Fact | Boundary Condition / Reference |
|---|---|---|
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All physical test parameters (ASTM C97, C170, C880, C666, EN 1341/1469, AS 4586, GOST 30629-2011) and standard container loading metrics are Verified Quarry Facts. Freight rates, landed duties, and custom CNC fabrication lead times are provided as indicative estimates until confirmed by a formal Proforma Invoice (PI).
Our knowledge base organizes technical and commercial data for: (1) Landscape Architects & Specifiers, (2) Stone Importers & Wholesalers, (3) Commercial EPC Contractors, (4) Luxury Villa Developers, (5) Quality & Inspection Engineers, and (6) Logistics & Customs Brokers.