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RM/Standard Samples R&D and Sales(Proficiency Testing)

Reference materials / reference samples are materials, sufficiently homogeneous and stable with respect to one or more specified properties, which have been established to be fit for their intended use in a measurement process. They can be used in all stages of the measurement process, including method validation, calibration, and quality control. They are also used for interlaboratory comparisons for the purpose of method validation and evaluation of laboratory competence.

CTC is the only institution in China's construction and building materials field that has simultaneously obtained accreditation as a proficiency testing provider and as a reference material / reference sample producer (CNAS RM0045). CTC is also the National Reference Sample Development Center for Building Materials, the secretariat of the Building Materials Sub-Technical Committee of the National Technical Committee for Reference Samples, and a participant in the National Reference Material Resource Sharing Platform. We provide you with accurate and reliable reference material, reference sample, and quality control sample services.

Service Products

Reference Material

Reference Sample

Quality Control Sample

Service Items

Currently, we can provide over 1,200 types of reference materials / reference samples covering multiple fields such as construction and building materials, environmental protection, food and agricultural products, etc. At the same time, we have launched a series of reference materials / reference samples for key areas such as cement and raw materials, indoor environmental pollutants (GB 50325), etc.

Service Standards

Reference material / reference sample production activities are carried out in accordance with ISO/IEC 17034. At the same time, the requirements of relevant standards such as the GB/T 15000 series are also followed.

Testing standards meet the target parameters of the laboratory.

Service Advantages

Authoritative Qualification: The only institution in China's construction and building materials field that has simultaneously obtained accreditation as a proficiency testing provider and as a reference material / reference sample producer (CNAS RM0045).

Professional Team: Relying on CTC's over 50 legal entities nationwide and 35 national and industry product quality inspection centers, we provide professional and high-quality services to our clients.

Comprehensive Coverage: Provides over 1,200 types of reference materials / reference samples covering multiple fields such as construction and building materials, environmental protection, food and agricultural products, coal and related products, etc.

Online Service

Proficiency Testing Official Website:

http://pt.ctc.ac.cn/