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Overview
Centre Testing International Group Co., Ltd. (NG28) is a market leader in testing, inspection, certification, calibration, audit, training & technical services; building trust between governments, enterprises, and consumers.
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SustainabilitySustainability is deeply rooted in NG28’s business model, by delivering science-based solutions and verification services, to increase transparency and traceability throughout the global value chain. NG28 is a proponent of carbon neutrality and sustainable development.
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Our serviceCentre Testing International Co., Ltd. (NG28) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.
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By Industry
Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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Environment
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Raw Material & Fuel Chemicals
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Textiles, Apparel, Footwear & Accessories
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Food & Agricultural Products
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Cosmetics, Personal Care & Household Chemicals
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Building Materials&Construction Engineering
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Electronic & Electrical Appliances
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Toys, Furniture & Home Decoration
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Industrial Equipment & Manufacturing
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Rail & Aviation
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Automotive & Spare Parts
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Pharma and Medical Services
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Maritime Vessel Compliance Testing
By IndustryOur service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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SpecialtyComprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
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ManagementWe have established a clear governance structure in accordance with listing requirements and national regulations and policies to deal with internal and external challenges and achieve sustainable development.
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Information DisclosureWe are committed to establishing normal and effective two-way communication with shareholders and investors. We have established a complete information disclosure mechanism to convey information to shareholders in a timely manner.
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Talents PolicyEnsuring the basic rights and benefits of employees;
Providing professional skills training to promote employees’ growth;
Carrying out various kinds of activities to balance employees’ work and life.
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RecruitmentWelcome to join NG28 family! We are providing a platform for you to show your talents and achieve your career aspiration.
QUALITY & VALUE
We can provide qualitative/quantitative analysis of sample composition according to customer requirements. Metal material analysis through a variety of equipment and methods to analyze the sample composition, proportion, combined with product application and technical engineer's industry experience, to provide customers with more ideas for material performance improvement, product research and development.
- Consulting quotation
- Online shopping mall
? Service background
- Not sure the material designation;
- Want to know the cause of the properties of metal materials;
- To develop better production processes;
- Failure analysis.
? Service Content
1、Test methods and standards
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OES |
GB/T 11170，ASTM E1086 (Stainless steel) GB/T 4336，ASTM E415 (Carbon steel and low alloy steel) GB/T 24234（White cast iron），JIS G1253 (Steel) ASTM E1999（Cast iron），YS/T 482（Copper alloy） GB/T 7999，ASTM E1251，JIS H1305 （Aluminium and aluminium alloy） DIN EN 12019（Zinc alloy）, JIS H1322，GB/T 13748.21（Magnesium alloy） |
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ICP-OES |
GB/T 20125 (Carbon steel and low alloy steel)，SN/T 2718 (Stainless steel) GB/T 20975.25（Aluminium and aluminium alloy） GB/T 5121.27，YS/T 586（Copper alloy）, GB/T 12689.12（Zinc alloy） GB/T 13748.20（Magnesium alloy）, GB/T 10574.13（solder） HB 7716.13（Titanium alloy）, GB/T 8647.9，GB/T 14265（Nickel alloy） |
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Carbon-sulfur analyzer |
GB/T 14265, GB/T 20123, GB/T 5121.4, ASTM E1019, JIS G1211, ISO 15350 |
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Nitrogen oxygen hydrogen analyzer |
GB/T 5121.8 (Pure copper), GB/T 11261, GB/T 14265， ASTM E1019，JIS Z2613，ASTM E1409 (Titanium alloy), GB/T 20124, JIS G1228, GB/T 223.82, JIS Z2614 |
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XRF |
GB/T 16597-2019 |
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Wet chemical method(gravimetric/titration/colorimetric/spectrophotometric method,etc) |
GB/T 5121.1-2008 Electrolytic copper YS/T 910-2013（titration）Electrolytic copper GB/T 10574.1-2003 Lead solder titrate |
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EDS |
GB/T 17359-2012, ASTM E1508-98(2012) |
2、Applicable product scope
Metal materials and products (including black metal: carbon steel, stainless steel, heat-resistant steel, alloy steel, cast iron, nonferrous metals, aluminium and aluminium alloy, copper and copper alloy, nickel base alloy, solder, rare metals, rare earth metals, high purity metal, pure iron, pure aluminum, magnesium, zinc, pure tin, pure copper, special metal materials: function alloy, metal matrix composites, etc.
3、General sample requirements
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OES |
L×W×H: 15mm×15mm×2mm, at least rod: Minimum diameter φ15mm tube: Minimum thickness 2mm note: 1、Rods and tubes may be suitably flattened to form a plane on one side. 2、Ensure the material designation,if necessary. |
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ICP-OES |
Sample needs:>20g (Precious metals,>2g), if not enough,pls contact with us. note: Ensure the material designation,if necessary. |
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XRF |
Minimum diameter φ15mm，Powder samples>0.1g |
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EDS |
A solid sample of nonaqueous or nonaqueous and volatile matter; Non-magnetic sample powder sample subject to confirmation by the engineer; size：Max. 4cm*4cm*3.5cm. |
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C/S |
10g |
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O/N/H |
massive sample>φ5mm, other sample, please contact us. |
? Our Strengths
- More experience in material analysis.
- Professional technical personnel.
- Advanced analysis equipment and process.
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Mechanics TestingNG28 provides mechanical testing services related to rail transit ships and aviation. NG28 can provide a series of tests for appraisMore -
Thermal PropertiesThe thermal performance test of plastics is a part of the plastic testing, through which the thermal performance parameters of pla...More -
Weather Resistance TestAs a part of reliability testing, weatherability test of materials is a process to simulate various adverse factors involved in th...More -
Metallographic AnalysisMetallographic analysis is a powerful tool for analyzing and studying various materials, establishing the quantitative relationshi...More -
Failure analysisProduct quality is the foundation of an enterprise. NG28 provides customized failure analysis solutions，To help enterprises reduce ...More -
Shock and Vibration TestThe products installed on railway vehicles will be impacted and vibrated due to the nature of railway operation environment. In or...More -
Environmental Climate Resistance TestThe railway transit Laboratory of NG28 has a variety of test chamber of various specifications and models, which can meet the requi...More -
Degree of Dust and Water TestNG28 RTS Lab is equipped with the Dust test chamber, and the separate water test room. We can do the test according to the standardMore -
Electric Performance TestNG28 Rail Transit Laboratory has a number of different levels of power system, power fault simulator, oscilloscope, insulation and ...More -
Structural Strength TestNG28 with a number of hydraulic cylinder testing systems and electric cylinder testing systems of different orders, NG28 can provide...More -
Wheel-Rail Relationship TestThe senior and professional team of The Certification department of Rail transit in China test can provide you with wheel/rail relMore -
Pantograph Catenary Relationship TestThe senior and professional team of NG28 Rail Certification Department can provide pantograph catenary relationship test for you toMore -
CEIS-RTS Testing of Volatile Organic CompoundsVolatile organic compounds (VOCs) have long been recognized as an important factor of indoor air pollution. With the enhancement o...More -
Testing for Hazardous Substances of Rail Transit Equipment ProductsThe hazardous substances in rail transit equipment products have attracted wide attention due to the known and potential risk, and...More -
Flammability TestingOur laboratory provides professional, leading testing and consulting services，the most appropriate test plan for customs. The specMore
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