China Testing & Certification International Group Co., Ltd. (CTC, Stock Code 603060) originated from the testing and certification business of China Building Materials Academy in the 1950s. After 70 years of unremitting efforts and persistent pursuit, the company has formed five business categories: detection and testing, certification and evaluation, testing instruments and intelligent manufacturing, measurement and calibration, scientific research and technical services, committed to providing customers with technical services and comprehensive solutions of detection and testing, certification and evaluation, appraisal, consultation, training, and instruments and equipment in fields of quality, environmental protection, green, safety, health, and energy conservation.

| Testing Products | Natural Stone | ||||||||
| Dry-hanging Stone and Mounting Accessories | |||||||||
| Artificial Stone | |||||||||
| Ceramic Tiles and Laboratory Countertops | |||||||||
| Terracotta Panels/Roof Tiles | |||||||||
| Fine Ceramics | |||||||||
| Foreign Standards for Stone | |||||||||
| Testing Standards | Natural Stone | ASTMC97/C97M | Standard Test Methods for Absorption and Bulk Specific Gravity of Dimension Stone | ||||||
| ASTMC99/C99M | Standard Test Method for Modulus of Rupture of Dimension Stone | ||||||||
| ASTMC170/C170M | Standard Test Method for Compressive Strength of Dimension Stone | ||||||||
| ASTMC241/C241M | Standard Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic | ||||||||
| ASTMC880/C880M | Standard Test Method for Flexural Strength of Dimension Stone | ||||||||
| ASTMC1352/C1352M | Standard Test Method for Flexural Modulus of Elasticity of Dimension Stone | ||||||||
| Artificial Stone | BSEN14617-1 | Agglomerated stone — Test methods — Part 1: Determination of apparent density and water absorption | |||||||
| BSEN14617-2 | Agglomerated stone — Test methods — Part 2: Determination of flexural strength | ||||||||
| BSEN14617-4 | Agglomerated stone — Test methods — Part 4: Determination of abrasion resistance | ||||||||
| BSEN14617-5 | Agglomerated stone — Test methods — Part 5: Determination of freeze-thaw resistance | ||||||||
| BSEN14617-6 | Agglomerated stone — Test methods — Part 6: Determination of thermal shock resistance | ||||||||
| BSEN14617-9 | Agglomerated stone — Test methods — Part 9: Determination of impact resistance | ||||||||
| BSEN14617-10 | Agglomerated stone — Test methods — Part 10: Determination of chemical resistance | ||||||||
| BSEN14617-11 | Agglomerated stone — Test methods — Part 11: Determination of linear thermal expansion coefficient | ||||||||
| BSEN14617-12 | Agglomerated stone — Test methods — Part 12: Determination of dimensional stability | ||||||||
| BSEN14617-15 | Agglomerated stone — Test methods — Part 15: Determination of compressive strength | ||||||||
| Stone Slabs | GB/T 18601 | Natural Granite Building Slabs | |||||||
| GB/T 19766 | Natural Marble Building Slabs | ||||||||
| GB/T 23453 | Natural Limestone Building Slabs | ||||||||
| GB/T 23452 | Natural Sandstone Building Slabs | ||||||||
| GB/T 18600 | Natural Flagstone | ||||||||
| JC/T 2114 | Natural Stone for Squares and Pavements | ||||||||
| JTGE41 | Test Methods of Rock for Highway Engineering | ||||||||
| JC/T 1050 | Classification and Test Method for Slip Resistance of Stone Flooring | ||||||||
| DB11/512 | Technical Code for Stone Application in Building Decoration Engineering | ||||||||
| GB/T 23454 | Natural Stone Countertops for Wash Basins and Toilets | ||||||||
| GB/T 26848 | Natural Stone Slabs for Furniture | ||||||||
| Stone Composite Panels | GB/T 29059 | Ultra-thin Stone Composite Panels | |||||||
| Stone Protective Treatments | GB/T 32837 | Natural Stone Protective Treatment | |||||||
| JC/T 973 | Natural Stone Protective Treatment for Building Decoration | ||||||||
| Flexible Stone Veneers | JG/T540 | Flexible Stone-imitation Decorative Material for Construction | |||||||
| Quarry Blocks | JC/T 202 | Natural Marble Quarry Blocks | |||||||
| JC/T 204 | Natural Granite Quarry Blocks | ||||||||
| Stone Products | JC/T 972 | Natural Granite Tombstone | |||||||
| JC/T 2192 | Stone Carvings and Sculptures | ||||||||
| Dry-hanging Stone | GB/T 32834 | Dry-hanging Facing Stone | |||||||
| JC/T 830.1 | Dry-hanging Facing Stone and Metal Anchors — Part 1: Dry-hanging Facing Stone | ||||||||
| Stone Mounting Accessories | GB/T 32839 | Metal Anchors for Dry-hanging Stone | |||||||
| JC/T 830.2 | Dry-hanging Facing Stone and Metal Anchors — Part 2: Metal Anchors | ||||||||
| GB/T 13683 | Test Method for Pin Shear | ||||||||
| QJ1750 | Test Methods for MJ Threaded Fasteners — Bolts | ||||||||
| Resin-based Artificial Stone | GB/T 35157 | Resin-based Synthetic Stone Slabs | |||||||
| JG/T463 | Artificial Quartz Stone Slabs for Building Decoration | ||||||||
| JC/T 908 | Artificial Stone | ||||||||
| DB44/T768 | Resin-based Artificial Stone Slabs | ||||||||
| JG/T531 | Quartz Plastic Composite Sheets for Municipal Engineering and Construction | ||||||||
| DB37/T2854 | General Technical Requirements for Stone-plastic Decorative Panels | ||||||||
| JC/T 2184 | Translucent Decorative Panels for Construction | ||||||||
| Inorganic Artificial Stone | T/CSBZ 011 | Technical Code for Application of Inorganic Artificial Stone | |||||||
| T/CSBZ 010 | Process Technical Specification for Inorganic Artificial Stone (Block Method) | ||||||||
| T/CSBZ 009 | Process Technical Specification for Inorganic Artificial Stone (Press Plate Method) | ||||||||
| Terrazzo | JC/T 507 | Terrazzo for Building Decoration | |||||||
| Glass-ceramics (Crystallized Glass) | JC/T 872 | Glass-ceramics for Building Decoration | |||||||
| JC/T 2157 | Low-expansion Transparent Glass-ceramics | ||||||||
| Cultural Stone (Art Cast Stone) | JC/T 2185 | Art Cast Stone | |||||||
| JC/T 2087 | Nature-imitation Art Stone for Building Decoration | ||||||||
| Cast Stone (Rolled Microcrystalline Panels) and Cement Mortar | JC/T 2097 | Microcrystalline Panels for Industrial Use | |||||||
| JC514.1 | Cast Stone Products — Cast Stone Slabs | ||||||||
| JC514.2 | Cast Stone Products — Cast Stone Straight Pipes | ||||||||
| JC/T 514.3 | Cast Stone Products — Part 3: Cast Stone Powder | ||||||||
| GB 50212 | Code for Construction of Building Anticorrosive Engineering | ||||||||
| JC/T 515 | Single Basalt Cast Stone Products | ||||||||
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