About Us

Qualifications and certifications

Occupational Health and Safety Management System Certificate
Occupational Health and Safety Management System Certificate
Longi Machinery Quality System Certificate
Environmental Management System Certification Certificate -- Chinese
Environmental Management System Certification Certificate -- English
Qualified laboratory accreditation_CNAS certificate-English
Qualified laboratory accreditation_CNAS certificate-Chinese
IATF16_289008 IATF16_EN