Quality

We believe that trust is built on proof, not promises. Quality control is not merely a department; it's the fundamental principle embedded in every step of our production. Our rigorous inspection system is designed for a single, non-negotiable outcome: to deliver purification products that perform perfectly from the first day to the last.

Standard: ISO 9001 Number: 19823QG1746R0S Scope/Range: Production of color steel sandwich panels,air purification equipment Issued By: Beijing Xinjiyuan Certification Co.,Ltd.

Standard: ISO 9001 Number: 19823JG0044R0S Scope/Range: Construction of building mechanical and electrical installation engineering within the scope of qualification Issued By: Beijing Xinjiyuan Certification Co.,Ltd.

Standard: CE Number: Scope/Range: Issued By:

Standard: CE Number: Scope/Range: Issued By:

Standard: CE Number: Scope/Range: Issued By: