Standards & Certifications
Standards & Certifications
Global authoritative certifications & industry standard qualifications
SUNSIN strictly follows international manufacturing and testing standards. All medium and high voltage three-level VFDs have passed authoritative third-party certifications, covering quality system, safety, explosion-proof, marine, mining and EMC electromagnetic compatibility, ensuring global market compliance and reliable operation.
ISO 9001
Quality Management System Certification
CE Certification
EU LVD & EMC Safety Standard
Mining Explosion-proof
Coal Mine Safety Certification
Marine Type Approval
Ship Industry Inspection Certificate
EMC Test Report
Electromagnetic Compatibility Test
Core Patents
Invention & Utility Model Patents
High-Tech Enterprise
National Technology Certification
Mining Safety Approval
Industrial Mining Qualification