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 | Water-based Waterproofing Coatings and Waterproofing Agents | ||||||||
| Solvent-based Waterproofing Coatings | |||||||||
| Waterproofing Mortars | |||||||||
| Sealants for Curtain Walls | |||||||||
| Sealants for Building Joints | |||||||||
| Sealants for Photovoltaic (PV) Applications | |||||||||
| Sealants for Insulating Glass Units | |||||||||
| Others | |||||||||
| Testing Standards | Water-based Waterproofing Coatings | GB/T 23445 | Polymer-modified Cement Waterproofing Coating | ||||||
| JC/T 864 | Polymer Emulsion Waterproofing Coating for Construction | ||||||||
| JG/T 375 | Acrylic High Elastic Waterproofing Coating for Metal Roofs | ||||||||
| JC/T 2428 | Non-curable Rubberized Asphalt Waterproofing Coating | ||||||||
| JC/T 975 | Waterproofing Coating for Bridges and Roads | ||||||||
| JC/T 408 | Water-emulsified Asphalt Waterproofing Coating | ||||||||
| JC/T 1069 | Primer for Bituminous Waterproofing Sheets | ||||||||
| JC/T 1017 | Polymer Emulsion for Building Waterproofing Coatings | ||||||||
| JG/T 349 | Silicon-modified Acrylic Permeable Waterproofing Coating | ||||||||
| JT/T 535 | Water-based Asphalt Waterproofing Coating for Roads and Bridges | ||||||||
| Solvent-based Waterproofing Coatings | GB/T 19250 | Polyurethane Waterproofing Coating | |||||||
| GB/T 23446 | Spray Polyurea Waterproofing Coating | ||||||||
| JC/T 2435 | Single-component Polyurea Waterproofing Coating | ||||||||
| JC/T 2217 | Epoxy Resin Waterproofing Coating | ||||||||
| JC/T 2251 | Polymethyl Methacrylate (PMMA) Waterproofing Coating | ||||||||
| HG/T 3831 | Spray Polyurea Protective Material | ||||||||
| JC/T 2253 | Aliphatic Polyurethane Weather-resistant Waterproofing Coating | ||||||||
| Waterproofing Agents | JC/T 902 | Silicone Waterproofing Agent for Building Surfaces | |||||||
| DBJ01-54 | Quality Inspection and Evaluation Standard for Interface Permeable Waterproofing Coatings | ||||||||
| JG/T 337 | Permeable Coating for Concrete Structure Protection | ||||||||
| Waterproofing Mortars | JC/T 2090 | Polymer-modified Cement Waterproofing Slurry | |||||||
| JC/T 984 | Polymer-modified Cement Waterproofing Mortar | ||||||||
| GB23440 | Inorganic Waterproof Plugging Material | ||||||||
| Sealants for Curtain Walls | GB/T 14683 | Silicone and Modified Silicone Building Sealants | |||||||
| GB16776 | Silicone Structural Sealants for Construction | ||||||||
| ASTMC1184 | Silicone Structural Sealants for Construction | ||||||||
| JG/T 475 | Silicone Structural Sealants for Curtain Walls | ||||||||
| GB/T 37126 | Test Methods for Structural Sealants for Structural Assembly | ||||||||
| JC/T 882 | Sealants for Curtain Wall Glass Joints | ||||||||
| GB/T 23261 | Building Sealants for Stone | ||||||||
| Sealants for Building Joints | JC/T 885 | Antifungal Sealants for Construction | |||||||
| GB/T 23261 | Building Sealants for Stone | ||||||||
| JC/T 881 | Building Sealants for Concrete Joints | ||||||||
| JC/T 483 | Polysulfide Building Sealants | ||||||||
| JC/T 482 | Polyurethane Building Sealants | ||||||||
| JC/T 484 | Acrylic Building Sealants | ||||||||
| JC /T 884 | Building Sealants for Metal Panels | ||||||||
| JC/T 485 | Elastic Sealants for Building Windows | ||||||||
| Sealants for Insulating Glass Units | GB24266 | Silicone Structural Sealants for Insulating Glass Units | |||||||
| GB/T 29755 | Elastic Sealants for Insulating Glass Units | ||||||||
| JC/T 914 | Butyl Hot-melt Sealants for Insulating Glass Units | ||||||||
| JG/T 471 | Elastic Sealants for Insulating Glass for Windows and Curtain Walls | ||||||||
| Sealants for Photovoltaic (PV) Applications | JG/T 465 | Edge Sealant for Photovoltaic Laminated Glass | |||||||
| GB/T 29595 | Silicone Rubber Sealant for Ground-mounted Photovoltaic Modules | ||||||||
| GB/T 37882 | Silicone Adhesive for Back Rail Bonding of Ground Photovoltaic Modules | ||||||||
| Others | GB/T 24267 | Flame-retardant Sealants for Construction | |||||||
| QC/T 1024 | Single-component Polyurethane Sealant for Automobiles | ||||||||
| JC/T 936 | Single-component Polyurethane Foam Filler | ||||||||
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