GRG METROLOGY & TEST GROUP CO., LTD.

From general-purpose instruments and equipment to industry-specific instruments and equipment, GRGTEST is dedicated to providing customers in the industry with precise measurement and metrology services for the entire traceability chain of instruments and equipment, including design, manufacturing, calibration, testing, maintenance, operation and management, scientific research and breakthroughs, and post-market services.  Measurement and Testing Instrument Calibration and VerificationMeasurement Equipment InspectionSpecial Equipment InspectionRadiation Hygiene Testing and EvaluationMaintenance and Operation Maintenance WarrantyFault DiagnosisCalibration and RepairIntelligent Operation and MaintenanceEquipment Information ManagementDesign and Manufacturing Autonomous calibration and verification toolsHigh-precision coordinate measurement calibration system (measurement accuracy for large-sized products reaches sub-micron level)Scientific research Development of measurement methods/standardsOnline calibration/automatic calibrationQuantum diagnostic measurement/quantitative measurementExtended Services Technical TrainingDevelopment of Standard SubstancesQuality Management and Certification Services

Measurement and Metrology Services

香港标准及检定中心有限公司 (STC)

This new color measurement service tests paint, printing, plastic and textile. The experienced professionals offer added efficiency and accuracy. This new color measurement is compatible with different standards to meet your needs. 	 Uses the latest equipment. 	 Professional and reliable.  

New Color Measurement

This color measurement service is carried out by&nbsp;an advanced piece of&nbsp;testing equipment. The color difference is detected accurately for added efficiency. This color measurement&nbsp;also comes with excellent after-sales services. 	 Uses the spectrophotometer to carry out testing processes. 	 Professional and reliable.  

Color Measurement

We can offer a comprehensive calibration service. We have a professional team to offer accurate calibration results. We provide great calibration services according to recognized national standards. 	 Accurate results. 	 Traceable to recognized national standards.  

Calibration Service

We offer calibration services for assorted electrical products. Our services are professional and reliable. Our calibration services have won a good reputation in the industry.
 
  For electrical products. 
  Mechanical metrology, thermometry mass and other services. 
 

Founded in 1963, Hong Kong Standards and Testing Centre (STC) provides a wide range of professional testing services for proprietary Chinese medicine, Chinese Materia Medica, pharmaceutical products, food, microbiological quality and cosmetics, environmental testing as well as &quot;STC tested&quot; Mark Certification.

Chinese Medicine & Chinese Raw Herb testing

CMA检定中心

我们为香港卫生署认可提供中成药注册服务的实验室，提供安全性、稳定性测试及分析方法验证。本中心的实验室更为中药材的天麻显微鉴别、灰分测试和水分含量取得香港实验所认可计划 (HOKLAS)认可，并同时将认可的中药测试类别中的重金属测试范围扩展到检测中成药和中药材的铜含量测试。 中成药安全性测试 重金属及有毒元素含量微生物限度农药残留量质量及稳定性测试 中药标准物含量测试加速稳定性测试实时稳定测试中药掺杂西药成分 掺杂西药测试中药材质量测试 为中药材天麻进行含量测定，指纹图谱，色谱，显微鉴别为中药材进行灰分，水分含量，重金属，酸不容性灰分，霉菌毒素测试 精于投资精良的设备，并集合专业团队，厂商会检定中心提供药物测试包括中医和西药，以确保药物的质量和安全。我们诚意为您提供咨询服务，技术方案和培训。 

中成药测试

Founded in 1963, Hong Kong Standards and Testing Centre (STC) provides a wide range of professional testing services for proprietary Chinese medicine, Chinese Materia Medica, pharmaceutical products, food, microbiological quality and cosmetics, environmental testing as well as &quot;STC tested&quot; Mark Certification.


广州威绰商品检测技术服务有限公司

 	 We provide professional quality control services for various kinds of industries. Our services include various detailed tests with accurate data for your products. The services are also provided quickly within a short period upon request. 	 Quantity status 	 Product appearance 	 Performance and function tests. 	 Workmanship&nbsp; 	 Assembly 	 Accessory 	 Material 	 Color 	 Logo 	 Size measurement 	 Weight 	 Assortment 	 Carton status 	 Bar code scan test 	 Packing and marking 	 Shipping marks.  

Electronics Inspection

We provide professional quality control services for various kinds of industries. Our services include various detailed tests with accurate data for your products. The services are also provided quickly within a short period upon request. 	 Quantity status 	 Product appearance 	 Performance and function tests. 	 Workmanship&nbsp; 	 Assembly 	 Accessory 	 Material 	 Color 	 Logo 	 Size measurement 	 Weight 	 Assortment 	 Carton status 	 Bar code scan test 	 Packing and marking 	 Shipping marks.  

Electronics inspection

RONIN Research (HK) Limited

Quantitative research provides the evidence-based foundation needed to understand market trends, patterns, and correlations. By gathering and analyzing numerical data from large sample sizes, we give you a structured way to measure consumer preferences and market significance. Statistical Rigor at Scale: We are experts at gathering data from substantial sample sizes across 80+ countries. By applying strict statistical rigor to our collection process, we ensure that your decisions are grounded in reliable, representative data rather than assumptions. Custom Survey Design &amp; Programming: Our team uses specialized tools to build structured inquiries that handle complex logic and niche audiences. We ensure that our surveys are optimized to gather data efficiently from a wide range of respondents, maintaining high data quality from the first click to the final result. Turning Datasets into Strategy: Raw data is only the starting point. We process and interpret large datasets to uncover meaningful insights about market sizes and statistical significance. This approach allows you to identify clear patterns and correlations, giving you the confidence to move forward with a data-backed strategy. For more details, visit our website at https://www.ronin.hk/  

Quantitative Research

The proprietary Chinese medicine testing services are carried out by the renowned Hong Kong Standards and Testing Centre (STC). Services include heavy metals and toxic elements, method validation, microbial limits, pesticide residues and more, ensure the distribution of the best-quality proprietary Chinese medicine&nbsp;to the market.&nbsp; 	 Heavy metals and toxic elements. 	 Method validation. 	 Microbial limits. 	 Pesticides residues. 	 Pharmaceutical adulteration screening.  

Proprietary Chinese Medicine Testing

Our sample check is conducted for all kinds of product, especially electrical &amp; electronic products. It includes the construction check and performance test. Our laboratory engineers test your samples according to relevant safety standards applicable to your market. 	 Will check the workmanship and product functions claimed in the user manual or your specification. 	 Helps demonstrate whether the commitment to quality and performance are valid or not.  

Sample Check

 	 Samples are selected for checking at random according to AQL sampling standards and procedures, to ensure that finished goods conform to your specifications. 	 Generally, V-Trust on-site checking includes the following criteria of quantity status, product appearance, performance and function tests, workmanship, assembly, accessories, material, colors, logo, size and measurements, weight assortment, carton status, barcode scan test, packing and marking, and shipping marks. Our quality control service is performed by experienced inspectors. 	 Satisfactory service. 	 Good performance.  

Eyewear Inspection

This laboratory testing service saves an over 30% testing cost compared to other labs. It is also accredited by over 50 western countries. With sophisticated facilities, we promise accurate and reliable results. 	 Quick response. 	 One-stop service from spot inspection to lab testing.  

Product testing

Unsafe and inferior products may cause physical injury and property damage to consumers. If the products get rejected or recalled, it will be a financial burden for the company and may eventually lead to litigation. Being the first testing laboratory in Hong Kong, we have an extensive range of testing services covering textile, footwear, furniture, raw materials, and construction materials according to national and international standards and regulations, reducing risks and verifying compliance for our customers.
Material testing service includes: 	 Carpet 	 Condoms plastics 	 Domestic oven gloves and mitten 	 Handbags and luggage 	 Leathers 	 Metals 	 Paper and packaging 	 Synthetic leather 	 Spectacle frame 	 Tableware 	 Watches  

Material Testing Service

We offer professional gift and premium testing services for customers. We have regular services and priority services for your selection. We use high-quality equipment to test and offer precision results.
 
  Regular services: 8-10 working days for microbiological and chemical testing. 
  Priority services: 3 working days. 
 

Gift and Premium Testing

We offer radio frequency and electromagnetic testing services for customers. We use high-quality equipment to test and provide precision results. Our services are professional and reliable. 	 Providing technical support services. 	 Assist and strengthen the product modification.  

Radio Frequency and Electromagnetic Testing

香港德国莱茵技术监护顾问股份有限公司

  T&Uuml;V Rheinland&rsquo;s approach to wireless testing is as follows:     Submission of documents and application   Submission of product for preliminary assessment and testing, according to the specified standard, such as 802.11x   Product test approval upon successful completion of test   Report generation and company certification  

Wireless Testing

香港检测和认证局

为何选择香港的检测和认证服务？ 高度专业诚信完善的知识产权保障卓越技术水平敏锐的市场触觉健全的认可制度，广获国际承认作为自由港，拥有先进的物流支持，方便运送样本如欲获知更多香港检测和认证业的资料，请浏览香港检测和认证局网站：www.hkctc.gov.hk 想找有质素的检测报告或证书？认明香港认可处的标志！所有由获香港认可处认可机构发出的认许测试报告/认证证书均具有香港认可处的认可标志，并注明有关获认可认可机构的登记编号。 获香港认可处认可的机构广获承认香港认可处发出的认可资格获得全球超过100个经济体系的认可机构承认，包括香港所有主要的贸易伙伴如美国，欧盟，中国内地和日本。 认可资格有助用家识别可靠的合格评定服务提供者，欲知更多获香港认可处认可的服务提供者及其认可范围资料，请浏览香港认可处网站：www.hkas.gov.hk 

中药测试服务

 	 Some tests should be done in the professional laboratory instead of testing at factory because of accuracy or special testing equipments required. 	 As a leading inspection service supplier in China, V-Trust has a long-term cooperative relationship with many accredited laboratories, so we can provide you more competitive prices and professional testing arrangement. 	 V-Trust can efficiently manage the testing of samples in liaison with qualified and accredited laboratories when you need formal certification or professional test. 	 We can go to the factory and select samples randomly on site instead of letting the factory choose them. 	 We can select the best laboratories, based on price and lead-time, for each type of test or certification, such as CE, EMC, EN71 and RoHS etc.  

Testing Arrangement

STC has been recognized by the&nbsp;China Quality Certification Center (CQC) (No. V-189)&nbsp;for providing professional and reliable testing services for household electronic appliances, including smart toilets. STC&rsquo;s smart toilet testing services are in accordance with the latest domestic and international standards to assist manufactures in strengthening product competitiveness by meeting safety requirements and consumer performance expectations. &nbsp;

Our Smart Toilet Testing services include: 	 Safety Testing 	 Performance Testing 	 Electromagnetic Compatibility (EMC) Testing 	 Energy Efficiency Testing 	 Water Efficiency Testing 	 Antibacterial Testing    Testing Standards   	 Household &amp; Similar Electrical Appliances - Electronic Toilets: Energy Efficiency, Water Efficiency &amp; Antibacterial Certification Requirements&nbsp;(CQC64-448160-2018) 	 Safety Requirements for Household Electrical Toilets and Similar Electrical Appliances&nbsp;(GB 4706.53-2008) 	 Electronic Toilet Sanitation&nbsp;(GB/T 34549-2017) 	 Electronic Toilet&nbsp;(GB/T 23131-2008) 	 Safety of Household &amp; Similar Electrical Appliances - Part 2-84: Particular Requirements for Toilets&nbsp;(IEC 60335-2-84) 	 Toilet Cleaning Water&nbsp;(JIS A 4422:2011) 	 Toilet Bowl&nbsp;(JG/T 285-2010) 	 Toilet Seat &amp; Cover&nbsp;(JC/T 764-2008) 	 Smart Toilet&nbsp;(CBMF15-2016) 	 Smart Toilet Seat&nbsp;(JD 0001-2017)  If you have any further question, please feel free contact us at&nbsp; enquiry@stc.group &nbsp;or visit our website:&nbsp; https://www.stc.group/en/contact 

Smart Toilet Testing

V-Trust offers a comprehensive range of QC services all over China, including Product inspection (at any stage of the production), Social audit, Factory audit and Lab testing. We are here to help you be sure that the products you are ordering from China meet your requirements and quality standards before they leave the factories.
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Please find below a few key elements of the solutions V-Trust provide:
&nbsp;
-Providing quality control solutions since 2003, registered in Hong Kong and China,
-All inclusive flat fee of 268USD/man-day for inspections,
-Experienced with 2300+ inspections performed per month and providing -QC solutions to 950+ overseas buyers,
-110+ full time inspectors covering all China, well trained and specialized in specific product fields,
-A dedicated customer service, reachable 24/7,
-Accredited by CNAS17020 (ISO/IEC17020), ILAC and IFIA
-Certificated ISO9001:2008, by UKAS and Moody,
-Official Inspection &amp; Testing Partner of ASI, which is the largest organization for promotional gifts in the USA,
-Online platform available, book orders and check your production quality trending over time,
-In house labs accredited by CNAS 17025, EMCC, FCC, CPSC, IC&amp;CEC, etc.&nbsp;

Inspection

V-Trust is now providing you a bridge to over 4,000 labs with the CNAS accreditation. These labs&#39; reports are generally accepted in most of countries all over the world, including EU, USA, Canada, UK, etc. Many testing equipments are standing idle because they are serving for internal customers and they have not approached to the overseas markets. 	 The testing price of such labs is 30% lower compared with the price of other labs. 	 There are 4,342 labs with CNAS accreditation in China (statistical data from CNAS till Nov. 2011). 	 All of the labs are also accredited the members of ILAC.  

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