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.
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.
Shanghai Chang Ai, Chengdu Chang Ai, and Jiaxing Chang Ai Enclosure Co., Ltd. have each obtained ISO 9001 quality management system certification issued by an ISO-authorized certification body. 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 development.
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 legally mandated national standards. This certification provides authoritative assurance of data accuracy in industrial measurement applications and strengthens credibility in the international market.
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 (EMC), making them suitable for markets that recognize CE requirements, including the European Union, the Middle East, and Southeast Asia.
The products are certified under the EU ATEX directive and the international IECEx system, making them suitable for hazardous environments such as petrochemical and energy applications, and supporting market access in global regions where these standards are required.
Chang Ai has obtained the China Environmental Protection Product Certification (CCEP), an authoritative certification recognized by national authorities for qualified environmental protection products. This certification reflects compliance with relevant environmental requirements and provides strong support for applications in environmental protection projects.
As a long-standing member organization of the National Technical Committee for Gas Standardization, Chang Ai continues to participate in and advance the development of industry standards. In 2014, the company was recognized as an "Advanced Unit in Standardization" and served as the lead drafting organization for national standards including "Determination of Trace Oxygen in Gases, Electrochemical Method" and "Gas Analysis, Determination of Oxygen Content, Ion-Flow Method." Chang Ai also contributes to the revision of multiple key standards, reinforcing 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, supporting industry planning and technology advancement. Through continuous innovation, the company helps shape development directions in the field of gas analysis instrumentation and equipment.