We outsourcing for thread inspection and gage calibration certification for both new gages and customer property gages. Gages are certified accurate and traceable to NIM (National Institute of Metrology,China))
Outsourcing Calibration Certificates for Master Gauges- National Institute of Metrology (NIM)
Founded in 1955, National Institute of Metrology (NIM) is the national metrology institute (NMI) of China, subordinate to General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ), China. It is the nation’s highest technical authority in the field of metrology as well as a non-profit R&D institution for social benefit, which is responsible for providing metrology services of the highest accuracy and reliability to customers.
For the API master gages, comes with the fullly parametric calibration certificates issued by NIM, one of the seven institutes who can certify the API master gages authorized by API.
Outsourcing Calibration Certificates for Working Gauges- CNPC Tubular Goods Research Institute Center (TGRC)
CNPC Tubular Goods Research Institute Center (TGRC), founded in 1981 and located in the southern suburb of Xi’an, is directly subordinated to China National Petroleum Corporation. It is a poly-technical center, integrating scientific research, quality and technical supervision, engineering technical services in oil tubular goods engineering field. It is the advisory staff that provides decision making support for oil pipe engineering, and also the research & development center for creative technology in petroleum oil tubular goods engineering. It is the detection and evaluation center for quality and safety of oil tube, and also the technical center for technical support and service of major pipeline projects and oil & gas field exploration and development projects. Also, It is one of the The most authoritative testing organizations to certify the API Working Gages,authorized by API.
For API working gauges, All the gages comes with fully parametric calibration certificates tracealbie to NIM(National Institute of Metrology,China).If you need the third party calibration certificates,the gauges will comes with the calibration certificates issued by TGRC.