Complete ISO Three System Certifications of Zhenzhong Electric, standardized production management for global projects.

1. ISO 9001: Strict full-range quality control for dimensional tolerance, bending strength and processing precision of cable trays;
2. ISO 14001: Standard environmental operation for hot-dip galvanizing, powder coating and surface treatment procedures;
3. ISO 45001: Standardized workshop safety management to guarantee stable and orderly production.
In addition to three ISO certificates, we also own National Industrial Production License, CMA authorized third-party test reports (salt spray, load bearing, fire resistance). All documents are valid for domestic project bidding, site acceptance and overseas export customs clearance globally.