Pioneering Military & Industrial Grade Piezoelectric Ceramics
Zibo Yuhai Electronic Ceramic Co., Ltd. is one of China's earliest specialized manufacturers of piezoelectric ceramics and acoustic transducers. Armed with 60 years of defense R&D heritage, 30+ proprietary powder formulas, and 30 million annual capacity, we serve global leaders across medical, sonar, cleaning, and industrial automation.
Established in 1966, providing decades of proven field reliability.
PZT-4, PZT-5, PZT-8, and eco-friendly Lead-Free KNN formulations.
Automated pressing, sintering, electroding, and poling lines.
Strict ISO 9001:2015, IATF 16949, and GJB quality standards compliance.
Industrial Campus & Cleanroom Facilities
Covering over 45,000 m² of modern production base, state-designated piezo ceramics research center, and Class 10,000 cleanrooms.
Corporate Headquarters & Engineering Center
State-level material testing center and national piezoelectric ceramics standardization office.
Atmosphere Kilns & Cold Isostatic Pressing
Controlled atmosphere kilns and CIP presses delivering ultra-dense green body ceramic microstructures.
100% Impedance & Piezo Parameter QA Testing
Agilent 4294A analyzers and Polytec Doppler vibrometers verifying 100% of finished elements before dispatch.
60-Year Development Milestone Timeline
State-Owned Defense Enterprise Founding
Established as a state-designated electronic ceramic laboratory dedicated to high-grade military piezo ceramic formulations.
National Standards & Military Certification
Co-drafted national standards for piezoelectric ceramic material parameters and established GJB defense quality protocols.
Global Export & Industrial Expansion
Expanded production to 30M pcs annual capacity and initiated direct export to Europe, North America, and East Asia.
IATF 16949 Automotive Quality System
Achieved automotive-grade quality certification for piezoelectric sensors used in modern EV braking and engine management.
60-Year Benchmark & Lead-Free Ceramics
Celebrating 60 years of precision material innovation with over 30 proprietary PZT & eco-friendly lead-free formulations.
State-of-the-Art Production & Testing Facilities
Automated Spray Powder Dryer
Ensures sub-micron particle size distribution for flawless ceramic green body pressing.
Cold Isostatic Pressing (CIP)
Delivers uniform green body density (>98% theoretical) preventing internal micro-cracks.
Atmosphere Tunnel Sintering Kilns
Precise multi-stage thermal profile control up to 1350°C for tight lattice stoichiometry.
High-Voltage Polarization Cleanroom
Automated 100kV/cm poling rigs ensuring maximum electric field orientation and d33 stability.
Agilent 4294A Impedance Lab
100% automated resonant frequency, impedance, and coupling factor QA testing.
Polytec Laser Doppler Vibrometer
Sub-nanometer dynamic displacement measurement and finite element mode shape analysis.