Since its founding in 2004, Chang Ai has built on technological innovation and uncompromising quality, accumulating authoritative qualifications and widely recognized honors in the field of industrial gas analysis. These achievements not only reflect the company's professional standing, but also provide strong proof for product compliance, technical capability, and market value
Since its founding in 2004, Chang Ai has built on technological innovation and uncompromising quality, earning widely recognized qualifications and honors in the field of industrial gas analysis. These achievements reflect not only the company's professional standing, but also strong proof of product compliance, technical capability, and market value.
ISO 9001 International Quality Management System Certification
Shanghai Chang Ai, Chengdu Chang Ai, and Jiaxing Chang Ai Enclosure Co., Ltd. have each obtained ISO 9001 quality management system certification issued by a certification body accredited by ISO. The certification covers the full lifecycle, including R&D, manufacturing, installation, and service, providing a strong testament to standardized quality management. It ensures products and services meet internationally recognized requirements and lays a solid foundation for global market expansion.
CMC Type Approval Certificate for Measuring Instruments
Chang Ai' s metrology products, including oxygen analyzers and dew point instruments, have obtained China' s official type approval for measuring instruments, confirming measurement accuracy in accordance with national statutory standards. This certification provides authoritative assurance of data accuracy in industrial measurement applications and enhances credibility in the international market.
CE Certification
CE certification covers multiple product series, including ion-flow oxygen analyzers, trace oxygen transmitters, and wide-range ratio oxygen analyzers. These products comply with applicable EU directives such as the Low Voltage Directive (LVD) and Electromagnetic Compatibility Directive (EMC Directive), making them suitable for markets that recognize CE requirements, including the European Union, the Middle East, and Southeast Asia.
ATEX / IECEx Explosion-Proof Certification
The products are certified under the EU ATEX directive and the international IECEx system, enables their use in hazardous areas such as petrochemical and energy applications, and supporting market access in global regions where these certifications are required.
CCEP Environmental Protection Product Certification
Chang Ai has obtained the China Certification for Environmental Protection Products (CCEP), an authoritative certification accredited by national authorities for qualified environmental protection products. This certification demonstrates compliance with relevant environmental requirements and provides strong support for applications in environmental protection projects.
This recognition reflects proven capability in environmental monitoring applications, including environmental monitoring support for major events such as the Olympic Games and online VOCs monitoring solutions
As a long-standing member organization of the National Technical Committee for Gas Standardization, Chang Ai has continuously participated in and advance the development of industry standards. In 2014, the company was recognized as an "Advanced Unit in Standardization" and led the drafting of national standards including "Electrochemical Method for the Determination of Trace Oxygen in Gases" and "Gas Analysis, Determination of Oxygen Content, Ion-Flow Method." Chang Ai has also contributed to the revision of multiple key standards, establishing its influence and leadership in standard-setting for the industry.
Member Organization, Gas Analysis Technology and Instrumentation Professional Committee, China Industrial Gases Industry Association
Chang Ai actively participates in industry technical exchanges and resource integration, promotes industry planning and technology advancement, and leads the development and innovation trend in the field of gas analysis instruments and equipment continuously