Weifang Unitest Testing Services Co., Ltd. Successfully Passes CNAS On-Site Accreditation Review, Expanding Capabilities from Environmental to Chemical & Oilfield Testing
Weifang Unitest Testing Services Co., Ltd. has successfully completed a two-day on-site CNAS accreditation review. All applied chemical and oilfield chemical testing items have been approved, and the laboratory accreditation certificates have been granted. This marks a strategic upgrade from environmental testing to integrated “environmental + chemical” testing services, further reinforcing our technical credentials and comprehensive testing capabilities.
Rigorous Review, Authoritative Recognition
The CNAS review was thorough and strictly standardized. The expert panel assessed the laboratory’s quality management system, technical operations, and data accuracy through document verification, on-site witnessing, personnel skill assessments, instrument calibration, and record audits. Reviewed items included:
HG/T 3811-2023 Test method for industrial bromide
SY/T 5559-1992 General test method for treatment agents used in drilling fluids
SY/T 6615-2005 Evaluation procedure for emulsifiers used in drilling fluids
GB/T 5005-2010 Specification of drilling fluid materials
These cover Oilfield Chemicals and industrial additives, reflecting a more specialized and expanded service scope.
Throughout the review, our technical team demonstrated strong professionalism, standardized procedures, and a rigorous quality control system. All tests were completed efficiently with accurate data and complete, standardized records. Our laboratory management and technical capabilities fully met CNAS requirements, earning high praise and unanimous recognition from the expert panel.
Deep Expertise in Environmental Testing – A Solid Foundation
Since our founding, we have built a comprehensive environmental monitoring system covering water, air, soil, noise, and solid waste, holding CMA qualifications. Our services span the full chain of environmental technical services, including environmental impact assessment, acceptance inspection, pollutant discharge permitting, soil contamination investigation, and hazardous waste identification.
We consistently adhere to our quality policy – “objective and fair, timely and accurate, high-quality and efficient, honest and trustworthy” – strictly following national standards and industry norms, providing precise and authoritative environmental testing services to government agencies, enterprises, and institutions in Weifang and surrounding areas.
Expanding into Chemical Testing – A Strategic Upgrade
Leveraging our mature laboratory management, advanced equipment, and professional talent, we have proactively extended our capabilities from traditional environmental testing to chemical and oilfield chemical testing, closing service gaps. This CNAS accreditation not only fills a critical qualification gap in chemical testing but also marks a key transition from single-focus environmental testing to comprehensive chemical testing. Our core competitiveness has significantly improved, enabling us to fully meet the professional testing needs of environmental protection, chemical, and oil extraction industries.
A New Milestone – Moving Forward with Confidence
Passing this CNAS review is a major milestone for Weifang Unitest Testing Services Co., Ltd. It fully affirms our technical expertise and management quality, while serving as a new starting point for high-quality development. We will continue to improve our quality management system, increase R&D and equipment investment, strengthen professional training, and enhance testing accuracy and service efficiency.
Going forward, we will leverage our dual strengths in environmental and chemical testing, based in Weifang and covering Shandong and surrounding regions, to provide more comprehensive, authoritative, and efficient third-party testing support for environmental protection, chemical industry upgrading, and oil & gas development. Staying true to our mission, we will support product quality and industrial safety with precise data, contribute to the green and high-quality development of the regional economy, and strive to become a leading comprehensive third-party testing service provider in Shandong Province.











