
TMA12A05 Brazilian Industrial Piezo Buzzer
Robust piezo buzzers designed for Brazil's manufacturing security systems and smart home appliances.
Founded in 2002, Xinghua Huayu Electronics Co., Ltd has built its reputation over more than 20 years as a leading manufacturer of acoustic components. Our 6,000-square-meter facility, including 3,000 square meters of clean production area, is equipped with advanced manufacturing lines producing buzzers, mini speaker components, ultrasonic piezoelectric sensors, and CBB capacitors.
Leveraging the dynamic regional economy in China, we have grown to become one of the most respected suppliers in the acoustic components industry. Our brand "HYDZ" is well-known domestically and internationally for its quality and reliability.

Robust piezo buzzers designed for Brazil's manufacturing security systems and smart home appliances.

Miniature SMD buzzers tailored for Brazil's automotive industry with compliance to local vehicle safety standards.

High precision ultrasonic sensors used in medical devices catering to Brazil's growing healthcare market.

Reliable CBB capacitors optimized for Brazilian industrial automation and energy-saving equipment.
We achieved early certifications including ISO9001:2015 and IATF16949:2016, alongside product certifications like ROHS, REACH, VDE, and UL. With 11 patents for buzzer innovations such as the golden wire soldered PNP, our products represent the forefront of acoustic component technology.
Our first-class mechanical equipment and a seasoned engineering team ensure steady growth through continuous new product development. Significant investments in automation include mini SMD buzzer lines in 2016 and ultrasonic sensor production started in 2019, expanding our catalogue and matching Brazil’s evolving industrial requirements.
Our components are widely used in Brazilian instruments, meters, household appliances, security products, vehicles, medical devices, and computer products, supporting diverse industries in their local technological advancement.
Established initial production lines for buzzers with 150 employees. Founded as "Xinghua Huayu Electronics Co., Ltd."
Launched R&D efforts focusing on single magnetic active buzzers and piezoelectric types, laying foundation for innovation.
Completed successful trial production phase and transitioned to abundant mass production.
Received export license and patented PNP technology for acoustic products, enabling batch production and international market access.
Secured 13 national utility model patents for buzzer products, underscoring technical leadership in acoustic components.
Invested in batch production of SMD types, increasing product variety and production efficiency.
Reached a daily production capability of 350,000 units. Earned one invention patent and fifteen utility model patents.
Recognized as a "National High-tech Enterprise," affirming technological innovation and industry standing.
TMA12A05's legacy continues to propel cutting-edge acoustic component solutions to emerging markets like Brazil.
We actively engage in international exhibitions including HKTDC and Munich Electronics Exhibition annually, showcasing our products and forging partnerships. Our client base spans East-South Asia, North America, Europe, Middle East, Russia, India, and increasingly Latin America including Brazil.
We proudly uphold the principle: "Quality is First, Keep Inventing," merging superior quality, competitive pricing, and timely delivery to meet dynamic market demands.
Our vision: establish "Huayu Electronics" as the largest acoustic components production base serving Brazil's industrial growth and technological modernization.









Brazil has emerged as one of the strongest economic engines in Latin America, with rapidly expanding industrial and manufacturing sectors driven by automotive, electronics, healthcare, and energy industries. The acoustic components and sensor market are experiencing increasing demand in Brazil because of urbanization, smart city initiatives, and growing consumer electronics adoption.
The automotive industry in Brazil is vast, with a focus on safety, smart vehicle designs, and advanced driver assistance systems (ADAS). TMA12A05’s mini SMD buzzers and acoustic components perfectly meet the stringent regulatory requirements and performance standards the Brazilian automotive manufacturers demand.
Healthcare advancements are also driving ultrasonic sensor adoption across Brazilian hospitals and clinics. TMA12A05 ultrasonic sensors have been tailored for medical devices, ensuring precision and reliability in diagnostics equipment supporting the growing middle class.
Brazil’s focus on sustainable energy and efficient electric appliances creates strong prospects for TMA12A05 capacitors and sensors within energy-saving equipment markets. Localized adaptations help these products seamlessly meet Brazil’s climate and power grid conditions.
Digital transformation initiatives in Brazilian industries are propelling increased automation and IoT integration. TMA12A05’s line of smart acoustic devices and SMD components are ideally aligned with these technologies, facilitating smart home devices, security systems, and intelligent instruments that Brazilian consumers increasingly rely on.
- Increasing emphasis on product miniaturization and high efficiency.
- Rising demand for IoT-enabled health monitoring and home security devices.
- Focus on eco-friendly, RoHS-certified, and energy-efficient components.
- Growth in R&D investments to customize acoustic solutions to local regulations.
- Expansion of electric vehicle manufacturing demanding noise and alert systems.
In Brazil, TMA12A05 products are applied in:
- Smart metering and instrumentation for water and energy utilities.
- Automotive cabin alert buzzers and parking assist acoustic devices.
- Portable medical diagnostics equipment leveraging ultrasonic precision.
- Household appliances with silent, efficient acoustic feedback.
- Safety and security products for urban residential complexes.
As Brazil continues advancing its technological infrastructure and industrial manufacturing, TMA12A05 is well positioned to support these growth areas with advanced, localizable, and superior quality acoustic components.