



South Korea stands as one of Asia's most dynamic technology-driven economies, and its demand for ultrasonic speakers and piezoelectric transducers has grown substantially over the past decade. The country's advanced manufacturing ecosystem — anchored by global conglomerates such as Samsung, LG, Hyundai, and SK — creates a consistent and high-volume demand for precision acoustic components used in consumer electronics, automotive systems, medical devices, and industrial automation.
The Korean ultrasonic speaker market is estimated to grow at a compound annual growth rate (CAGR) of over 9% through 2030, driven largely by the rapid expansion of smart home devices, autonomous vehicle sensor arrays, and Industry 4.0 factory deployments across the Gyeonggi and Ulsan industrial corridors. Korean OEM manufacturers increasingly source ultrasonic components from certified international suppliers who can meet stringent quality standards including ISO9001, IATF16949, and RoHS compliance.
With Korea's government actively promoting its "Digital New Deal" and "K-Semiconductor" national strategy, the downstream demand for high-performance ultrasonic transducers in robotics, IoT sensors, and medical diagnostics continues to accelerate — making Korea one of the most strategically important export markets for acoustic component manufacturers.
HYDZ's ultrasonic speaker and sensor product lines precisely match the technical requirements of Korea's semiconductor, automotive, and smart appliance industries. With over 20 years of manufacturing expertise, ISO9001:2015 & IATF16949:2016 certifications, and 11+ patents in acoustic technology, HYDZ delivers the reliability, precision, and competitive pricing that Korean procurement teams demand. All products meet RoHS, REACH, VDE, and UL standards — essential for Korean market entry.
Ultrasonic parking sensors, blind-spot detection, and ADAS proximity alert systems deployed across Hyundai and Kia production lines in Ulsan and Gwangju.
Deployed in robotic distance measurement, conveyor level detection, and automated quality inspection lines across Samsung SDI and LG Energy Solution facilities in Chungcheong Province.
Integrated into Korean smart home hubs, robot vacuum cleaners, air purifiers, and security motion sensors sold through Coupang and Naver Smart Store channels.
Used in ultrasonic nebulizers, portable diagnostic scanners, and patient monitoring devices compliant with Korea's Ministry of Food and Drug Safety (MFDS) regulations.
Ultrasonic animal repellers widely adopted by Korean farms in Jeolla and Chungcheong provinces to protect crops from rodents and birds without chemical pesticides.
Embedded in Korean-made intruder detection systems, motion-activated alarms, and perimeter security solutions deployed in commercial buildings across Seoul and Busan.
SMD-type ultrasonic speakers and buzzers supplied to Korean consumer electronics OEMs producing wearables, tablets, and wireless audio accessories for domestic and export markets.
Applied in sonar-based distance measurement and underwater communication systems for Korea's world-leading shipbuilding industry centered in Geoje and Okpo.
Korea's aggressive EV adoption roadmap (targeting 30% EV share by 2030) is driving exponential demand for ultrasonic parking sensors, collision avoidance systems, and cabin occupancy detection — all relying on high-frequency piezoelectric transducers.
Korea ranks #2 globally in robot density per manufacturing worker. Collaborative robots (cobots) deployed in Samsung and Hyundai factories increasingly use ultrasonic sensors for safe human-machine proximity detection and precision positioning.
Korea's world-leading 5G infrastructure enables dense IoT sensor deployments. Low-power ultrasonic transducers are essential nodes in smart building management, environmental monitoring, and predictive maintenance platforms across Korean smart cities.
Korean environmental regulations and the "Carbon Neutral 2050" policy are pushing adoption of ultrasonic pest control over chemical alternatives, and ultrasonic cleaning systems over solvent-based industrial cleaning in semiconductor fabs.
Korea's booming medtech sector (K-Medical) is integrating miniaturized ultrasonic transducers into portable diagnostic tools, drug delivery systems, and physiotherapy devices — with MFDS certification requirements driving demand for RoHS/REACH-compliant components.
Ultrasonic cleaning transducers are indispensable in Korea's semiconductor and OLED display fabs (Samsung Display, LG Display) for precision wafer and substrate cleaning — a market segment growing alongside Korea's $450B chip investment plan.
| Product Model | Frequency | Size / Type | Key Feature | MOQ | Est. Price (USD) |
|---|---|---|---|---|---|
| HYDZ 1625 Ultrasonic Transmitter | 16kHz / 25kHz | 16mm Disc | Animal Repeller, High Sensitivity | 500 pcs | $0.18 – $0.35 / pc |
| 25kHz 16mm Piezoelectric Sensor | 25kHz | 16mm | Low Power Consumption, High SNR | 500 pcs | $0.20 – $0.40 / pc |
| 40kHz Ultrasonic Sensor | 40kHz | Compact | High Sensitivity, Compact Design | 500 pcs | $0.22 – $0.45 / pc |
| HYDZ 8540 Side Sound SMD Speaker | 2.7kHz / 2.5kHz | 8.5×4.0mm SMD | Side Sound, Custom Options | 1000 pcs | $0.15 – $0.30 / pc |
| HYDZ 8540 Top Sound SMD Speaker | 2731Hz / 2500Hz | 8.5×4.0mm SMD | Top Sound, High Quality | 1000 pcs | $0.15 – $0.30 / pc |
| HYDZ 2040mm Rectangle Mylar Speaker | Custom | 20×40mm | Rectangle, Mylar Diaphragm | 500 pcs | $0.25 – $0.55 / pc |
| HYDZ 40kHz Ultrasonic Sensor | 40kHz | Standard | Distance Measurement, Parking | 500 pcs | $0.22 – $0.45 / pc |
* Prices are indicative FOB factory. Final pricing depends on quantity, specifications, and customization requirements. Contact us for an official quotation for Korean market orders.
Founded in 2002, In the last more than 20 years, Xinghua Huayu Electronics Co.,Ltd always focus on the field of acoustic components. We Covers an area of 6000 square meters, purify building about 3000 square meters. The products contain buzzers / mini speaker components / ultrasonic piezoelectric sensors and CBB capacitors. Over the years, we offer our clients superior quality of products and service. Taking advantage of the regional economy, we've become one of famous suppliers of acoustic component in industry. Our brand "HYDZ" is always with good reputation in the market both domestic and overseas.
We have obtained early on Quality certificate ISO9001:2015 and IATF16949:2016, Products certifications ROHS / REACH / VDE / UL as well as 11 patents in buzzer productions such as Golden wire soldered PNP which can highly improve the performance of buzzers. We have the first class mechanical equipment and a highly experienced engineering team. The company has achieved a steady growth through continuous investments in new product development. To match the market requirements well, we imported equipment of mini SMD buzzer in 2016 and ultrasonic sensor lines in 2019, which has extended our range of standard catalogue products. The application field covers instruments / meters / house-holding appliances / security products / vehicles / medical devices / computer products and so on.






Successfully established the initial production lines for buzzers, total 150 employees. Named "Xinghua Huayu Electronics Company".
Established the R&D department responsible for developing single magnetic active buzzer and piezoelectric types.
Trial production was successful then put into abundant production.
Got the exporting licence. In November, obtained the patent of PNP especially used in acoustic products and made it batch producing.
Our buzzer products applied and obtained total 13 national utility model patent certificates.
Invested the batch production of SMD type.
Production capability reached daily 350K. Obtained one patent for invention and fifteen utility model patents.
Obtained "National High-tech Enterprise" recognition.
Not only do we value expanding online business, we also meet our customers in exhibitions both domestic and international such as HKTDC / Munich Electronics Exhibition every year. Our customers come from East-South Asia / North-America / Europe / Middle-East / Russia / India and more. The clients contain representatives in several fields.
Keeping the mind of "Quality is the first and keep inventing", we HUAYU are nonetheless well aware that success depends on supreme quality, competitive purchase cost and punctual delivery. We are dedicated to make "Huayu Electronics" the large production base of acoustic component today and in future.








