Detailed Answer
Certification checklist: 1. SRRC (domestic radio approval, mandatory); 2. CCC (3C certification, category-dependent); 3. Safety standards (GB/T 3811 / EN ISO 13849); 4. Export: CE (Europe) / FCC (USA); 5. Explosion-proof: ATEX/IECEx/domestic explosion-proof; 6. Protection: IP test report. LDER/XINGJIA have complete certifications; request certificate copies when purchasing and verify against model numbers.
| Domestic | SRRC/CCC |
| Safety | GB/T 3811 |
| Export / explosion-proof | CE/FCC/ATEX |
Note:Verify the certificate matches the model — prevent counterfeits.