QUALITY ASSURANCE & CERTIFICATE GALLERY
International Quality Standards & Defense Certifications
Every piezoelectric component leaving Yuhai facilities undergoes 100% automated resonant impedance screening, high-voltage dielectric withstand testing, and full lot traceability compliant with IATF 16949 and defense standards.
[ CERTIFICATE & HONOR GALLERY ]
Qualifications & Industry Honors
Official certifications and national honors awarded to Zibo Yuhai Electronic Ceramic Co., Ltd.
Piezoelectric Ceramic Discs
Ø20×1MHz P43 Side Lead
Official Certificate
Piezoelectric Ceramic Discs
Ø7.4×1.3 P5H
Official Certificate
Piezoelectric Ceramic Discs
Ø10×1.01 P51 Negative-to-Positive Wrap-Around
Official Certificate
[ TRACEABILITY PORTAL ]
Online Factory QA Test Inspection Verifier
Enter your Yuhai production batch lot number (found on shipping box or factory test sheet) to verify 100% parameter inspection data.
BATCH LOT:
100% PASS - Certified for Shipment
Inspected Date: 2026-06-15
Powder Material
PZT-8 High Power Grade
d33 Constant
292 pC/N (Spec: 290 ± 5%)
Mechanical Qm
1080 (Spec: > 1000)
Dielectric Loss
0.22% (Spec: < 0.4%)