Each certification represents our dedication to maintaining the highest standards in manufacturing, quality control and customer safety.
Internationally recognized QMS covering the design, production and inspection of glass insulators.
Structured environmental controls across melting, tempering and galvanizing processes.
Worker health and safety management for heavy industrial operations.
Core type-test standard covering dielectric, mechanical and thermal-mechanical performance.
Chinese national standard for overhead line cap & pin glass insulators.
Type-test reports from CNAS (ISO/IEC 17025) accredited laboratories.
Independent SGS inspection of materials, dimensions and batch quality.
Product conformity for markets requiring the CE marking.
Batch puncture-test certificates for self-shattering toughened glass shells.