Service Introduction
Quality Testing and Re-inspection of Building Materials, Components, and Engineering Products to assist clients in ensuring the safety of construction projects from the source.
Scope of Application
Civil Engineering
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Re-inspection of products such as steel reinforcement, steel wires, welding nails, and bolted connections for steel structures
Installation Engineering
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Re-inspection of products like steel plates, steel pipes, welding materials, mechanical anchor bolts, waterproof membranes, couplers for steel tube scaffolding, and supports and hangers
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Welding process evaluation
| Project Name | Specific Projects |
| Reinforcing Steel | Chemical Composition, Tensile, Bending, Repeated Bending, Stress Relaxation, Dimensions, Weight Deviation, etc. |
| Steel Pipe | Chemical Composition, Tensile, Bending, Flattening, Expansion, Dimensions |
| Welding Studs | Chemical Composition, Tensile, Bending |
| Bolt Connection Assembly | Dimensions, Tensile, Hardness, Torque Coefficient, Anti-loosening Performance, Fatigue Performance, Impact |
| Steel Wire | Dimensions, Chemical Composition, Tensile, Bending, Wrapping, Stress Relaxation, Fatigue Performance |
| Welding Materials | Chemical Composition, Tensile, Bending, Microstructure, Hardness, Impact |
| Waterproofing Membranes | Tensile Performance, Water Impermeability |
| Support and Hanger | Dimensional and Component Load Performance, Component Load Performance, Fire Resistance, Corrosion Resistance |
| Steel Tube Scaffold Couplers | Anti-slip, Anti-destruction, Torsional Stiffness, Tensile Strength, Compressive Strength |
| Mechanical Anchor | Tensile Properties, Shear Properties, Ultimate Installation Torque, Crack Repeated Opening and Closing Test, Seismic Performance |
| Including NB/T, GB, TSG, ASTM, ASME, API, etc. | |
Get Your Free Testing Plans and Quotation
Ask professional engineers for on-line service, and obtain testing proposals within 2 hours.
Six Reasons to Choose DTI
Complete Qualifications
Complete QualificationsDTI has CMA, CNAS and other qualifications, including China's domestic and global relatively comprehensive leading qualifications at metal materials and corrosion test field. We can provide authoritative reports of national standard and industrial standard.
For DetailsProfessional Team
70% of the Personnel are Professional TechniciansDTI has a professional testing team, with 70% of professional technicians and 70% of undergraduate degree or above. From drafting proposals to sample analysis issuance, we are professional at each step to ensure the precision.
Learn MoreAdvanced Equipment
400 Units in Total, 92% Imported UnitsDTI has invested affluent budgets onto 450 sets of advanced large and medium-sized testing equipment. 92% of the equipment are imported from the U.S., Germany, Switzerland, installed at scores of labs cover an area of 8,000 m2 and services cover 1000+ segments.
See MoreAccurate Data
Accuracy Ratio Reaches 99%With the endeavour of professional technical testing team, advanced equipment, large number of databases, and solid implementation of lab quality control, DTI guarantees the overall accuracy rate of the reliable analysis data up to 99%.
Learn MoreComprehensive Service
One-stop Tracking ServiceDTI services cover the whole industries and provides the optimal solutions and technical support in terms of cycle time,cost-saving and qualifications based on numerous indicators, E2E supply chain solutions, all-round multi-dimensional product analysis.
Our ServicesCustomer Service
Regular visits and re-inspection are availableDTI 24*7 hours (China) service is available so that you could reach us anytime, anywhere. We also have an Emergency Service Access in case of special circumstance. DTI team visit their customers regularly each year, and the issued questionable report or items in reports can be repeated for free of charge. Moreover, the systematic training courses is also available so that our customers would be free of anxiety.
Consult NowOnly Four Steps to Get Your Reports
Issues You May Care About
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A. DTI has a comprehensive range of instruments and equipment, as well as numerous engineers with over 10 years of experience.
B. We offer consultative services with a broad industry scope, tailoring solutions to meet customer needs.
C. We provide one-stop technical services in the environmental field, with dedicated personnel throughout the process, allowing customers to stay informed about the progress of their reports in real time.
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A. Normally, we will issue a report within 5-7 working days after receiving the samples.
B. To expedite the report issuance and eliminate extensive manual processing steps, DTI employs collaborative efforts across multiple departments and utilizes automated sample handling technology for certain types of samples, making the reports faster and more accurate.
C. For clients who urgently need the report, expedited services are available.
D. The report issuance time varies depending on the specific type of product, and you can consult with our online customer service for details.
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DTI’s test data obtained from experiments are all true and valid, and will not maliciously alter or forge test data. The test reports issued by DTI are authoritative and credible and are recognized both in China and other countries.
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The specific standards vary depending on the testing items. Please consult online customer service for details.
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Our company promises that all test data obtained from the experiment are true and valid, and will not maliciously alter or falsify the test data. If any customer has any questions about the test data obtained from the experiment, please contact our technical staff, and our company will conduct a free re-inspection for the customer. If the data obtained after the replicated test are the same as the results of the initial test, our company will not change the test results. If they are different from the results of the initial test, our company will conduct multiple experiments on the samples during this period, and finally determine the results. Stable experimental data is used as the final test result.
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Due to the large amount of standard information and other reasons, many customers may not know what items need to be tested. In this case, we could provide customers with recommendations for related projects, but the customers are required to provide the following information:
1.Provide a detailed introduction of the product, especially its intended use.
2. Provide the general requirements for testing, for instance, is it for environmental compliance
3. Other information, such as a sample of the test report.
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Learn about Ding Testing & Inspection
DTI has served thousands of entities, including numbers of Fortune Global 500 enterprises. DTI always conveys trustfulness to the quality life ubiquitously.
DTI is devotional on providing services for metal comprehensive testing. Among the testing services, DTI has more advantage at implementation of various corrosion resistance tests for different type of materials. The range of testing capability includes the analysis of metal composition and metal metallographic, mechanical performance and metal corrosion resistance testing, failure analysis, R & D analysis, and product quality assessment etc.
DTI has been awarded the conformity of assessment from ISO/IEC17025, ISO9001, GB/T28001/OHSAS18001, GB/T14001/ISO14001, CNAS and CMA Certification.
- 30Nos.
Industrial Fields
- 200Nos.
Large Equipment
- 3K㎡
Lab Area Size
- 1KNos.
Clients Served
To be an influential, authoritative, third-party testing organization in China.
We provide professional inspection, testing, analysis for upstream and downstream supply chain of various industries, which covers industrial manufacturing, chemicals, offshore engineering, oil & gas, wind power, hydrogen energy, nuclear power, automotive structures, metals and minerals, equipment manufacturing, construction machinery, aerospace, etc.
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